{"id":179937,"date":"2023-03-10T11:50:58","date_gmt":"2023-03-10T10:50:58","guid":{"rendered":"https:\/\/groupe-reussite.fr\/ressources\/?page_id=179937"},"modified":"2023-03-10T14:22:21","modified_gmt":"2023-03-10T13:22:21","slug":"cours-en-ligne-terminale-d-complexes","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-complexes\/","title":{"rendered":"Cours nombres complexes et g\u00e9om\u00e9trie terminale D"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n<p style=\"text-align: justify;\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"170104\" class=\"elementor elementor-170104\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-ca46eae elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"ca46eae\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-70fcaa2d sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"70fcaa2d\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-67fa56e elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"67fa56e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-62f4165f strick_col ae-bg-gallery-type-default\" data-id=\"62f4165f\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d3a8a39 elementor-widget elementor-widget-heading\" data-id=\"4d3a8a39\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-maths\/\">Cours en ligne Terminale D en maths<\/a><\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a6f7237 elementor-widget elementor-widget-heading\" data-id=\"1a6f7237\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres de maths en Terminale D<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6853bb96 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6853bb96\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-recurrence\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Raisonnement et r\u00e9currence<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ad1c360 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5ad1c360\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-suites\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Suites num\u00e9riques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7593751d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7593751d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres complexes<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c6dac32 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c6dac32\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Nombres complexes et g\u00e9om\u00e9trie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-660cbc71 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"660cbc71\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Limites et continuit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c780f5c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"c780f5c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9rivabilit\u00e9<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38b02323 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"38b02323\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Etude des fonctions<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ca1fe97 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4ca1fe97\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Primitives<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-11e88bcd elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"11e88bcd\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonction logarithme n\u00e9p\u00e9rien<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2bc9641e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2bc9641e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Fonction exponentielle<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-135a3e27 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"135a3e27\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Calcul int\u00e9gral<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-230a0da elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"230a0da\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9quations diff\u00e9rentielles<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4db834c2 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4db834c2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Statistiques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-738b95b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"738b95b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Probabilit\u00e9s<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e410444 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1e410444\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000; font-family: 'Lato', Sans-serif;\">\n<div class=\"elementor-text-editor elementor-clearfix\" style=\"color: #000000; font-family: Lato, sans-serif; text-align: justify;\">\n<h1 class=\"Latex_page_title\">Cours sur les nombres complexes et g\u00e9om\u00e9trie en Terminale D<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"color: #000000; font-family: Lato, sans-serif; text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-complexes\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-terminale-d-complexes\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p class=\"colone_latex_ancres\" style=\"color: #000000; font-family: Lato, sans-serif; text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-maths\/\">Cours en ligne de maths en Terminale D<\/a><\/p>\n<p style=\"text-align: justify;\">Vous trouverez ci-dessous un <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\">cours de maths<\/a> sur les nombres complexes propos\u00e9 aux \u00e9l\u00e8ves de terminale D.<\/p>\n<h2 style=\"text-align: justify;\">1. Ecriture alg\u00e9brique et trigonom\u00e9trique des complexes en terminale D<\/h2>\n<p>Le corps des nombres complexes <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> peut \u00eatre repr\u00e9sent\u00e9 par un plan. On parle du plan complexe. Tout nombre complexe d&rsquo;affixe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> sera alors repr\u00e9sent\u00e9 par ses coordonn\u00e9es dans une base orthonorm\u00e9e du plan. On distingue d\u00e8s lors deux principaux syst\u00e8mes de coordonn\u00e9es :<\/p>\n<p>&#8211; les coordonn\u00e9es cart\u00e9siennes;<\/p>\n<p>&#8211; les coordonn\u00e9es polaires.<\/p>\n<p><strong>Coordonn\u00e9es cart\u00e9siennes et \u00e9criture alg\u00e9brique<\/strong><\/p>\n<p>Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e19aa41e4fb5487e31aa93973292549c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#79;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"79\" style=\"vertical-align: -6px;\"\/> un rep\u00e8re orthonorm\u00e9 du plan. Ce rep\u00e8re est dit cart\u00e9sien si les vecteurs de la base <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-155303547419d0934b3ecd7018a0c572_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"18\" style=\"vertical-align: -3px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8850213285d7e7e42f87e48106328a2e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"17\" style=\"vertical-align: -6px;\"\/> sont fixes. Dans un tel rep\u00e8re, tout point <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> d&rsquo;affixe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9e8508b6e66b6ed37a2a4148fae73db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/> est d\u00e9termin\u00e9 par le couple de r\u00e9els <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-76f553ea5055b27082c28955d9ece578_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#120;&#44;&#121;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/> tels que :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c166f4702969c1f63a2094e9e2005382_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;&#61;&#120;&#46;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#43;&#121;&#46;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;&#32;&#61;&#32;&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#112;&#109;&#97;&#116;&#114;&#105;&#120;&#125;&#32;&#120;&#32;&#92;&#92;&#32;&#121;&#32;&#92;&#92;&#32;&#92;&#101;&#110;&#100;&#123;&#112;&#109;&#97;&#116;&#114;&#105;&#120;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"202\" style=\"vertical-align: -17px;\"\/><\/p>\n<p>Les r\u00e9els <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-76f553ea5055b27082c28955d9ece578_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#120;&#44;&#121;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/> sont les coordonn\u00e9es cart\u00e9siennes du point <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> dans la base <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-157fccb11f9fd10451006e4328a09d66_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"57\" style=\"vertical-align: -6px;\"\/>. Dans le vocabulaire des nombres complexes, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ede05c264bba0eda080918aaa09c4658_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"10\" style=\"vertical-align: 0px;\"\/> est appel\u00e9 partie r\u00e9elle et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0af556714940c351c933bba8cf840796_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"\/> partie imaginaire. Ces coordonn\u00e9es permettent d&rsquo;\u00e9crire l&rsquo;\u00e9criture alg\u00e9brique du nombre complexe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5af5b50998d1aeb96bb771f5703ec408_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#120;&#32;&#43;&#32;&#105;&#46;&#121;&#32;&#61;&#32;&#92;&#82;&#101;&#40;&#122;&#41;&#32;&#43;&#32;&#105;&#46;&#32;&#92;&#73;&#109;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"211\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><strong>Coordonn\u00e9es polaires et \u00e9criture trigonom\u00e9trique ou exponentielle<\/strong><\/p>\n<p>Pour introduire les coordonn\u00e9es polaires, il convient tout d&rsquo;abord de tracer le cercle trigonom\u00e9trique et de placer un point M quelconque sur ce cercle. On d\u00e9finit alors un rep\u00e8re orthonorm\u00e9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-630a9cca8d7870c670bc7f4032bfe006_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#79;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"77\" style=\"vertical-align: -4px;\"\/> tel qu&rsquo;indiqu\u00e9 sur la figure ci-dessous :<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-179938 size-medium\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-nombres-complexes-terminale-d-300x195.png\" alt=\"Cours nombres complexes et g\u00e9om\u00e9trie terminale D\" width=\"300\" height=\"195\" srcset=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-nombres-complexes-terminale-d-300x195.png 300w, https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-nombres-complexes-terminale-d.png 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&#8211; le vecteur radial <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-21d6dfc08d7cb75da97c4a18c732c49d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"17\" style=\"vertical-align: -3px;\"\/> est un vecteur unitaire dirig\u00e9 suivant le vecteur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f79378c7963e3a812d5190ffd172f972_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"33\" style=\"vertical-align: 0px;\"\/>; il suit le d\u00e9placement du point M;<\/p>\n<p>&#8211; le vecteur orthoradial <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-db58b52fb12d6d9ed8187d24babca16d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"17\" style=\"vertical-align: -3px;\"\/> est un vecteur unitaire orthogonal au vecteur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-21d6dfc08d7cb75da97c4a18c732c49d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"17\" style=\"vertical-align: -3px;\"\/>, avec un angle de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b5b0ed178115ab4bc300de550f8b7fdb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#105;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"9\" style=\"vertical-align: -6px;\"\/> dans le sens trigonom\u00e9trique (anti-horaire).<\/p>\n<p>Dans un tel rep\u00e8re, le point M d&rsquo;affixe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9e8508b6e66b6ed37a2a4148fae73db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/> est d\u00e9crit par le couple de r\u00e9els <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c6860e690018126e7db7487958ad5a86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#114;&#44;&#92;&#116;&#104;&#101;&#116;&#97;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"36\" style=\"vertical-align: -4px;\"\/>, avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8e1b2ddc34446531209ff8e0ad766a00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#32;&#92;&#103;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"41\" style=\"vertical-align: -3px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fcd38c957607df84562abdab1f74f01d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#104;&#101;&#116;&#97;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"43\" style=\"vertical-align: -1px;\"\/>, tels que :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-74f40ed31cc7fe2479f2eec8980e5bea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;&#32;&#61;&#32;&#114;&#46;&#32;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"86\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>Dans l&rsquo;expression ci-dessus, la variable <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-356a08e839ab6974a16448e16e56745d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#104;&#101;&#116;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> n&rsquo;appara\u00eet pas explicitement. Cependant, elle est bien pr\u00e9sente dans le vecteur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-21d6dfc08d7cb75da97c4a18c732c49d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"17\" style=\"vertical-align: -3px;\"\/>, dont l&rsquo;expression dans la base cart\u00e9sienne <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-157fccb11f9fd10451006e4328a09d66_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"24\" width=\"57\" style=\"vertical-align: -6px;\"\/> est donn\u00e9e par:<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-198faa35996f360e82d57502aa3b22c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#114;&#125;&#125;&#32;&#61;&#32;&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#46;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#32;&#43;&#32;&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#46;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#121;&#125;&#125;&#32;&#61;&#32;&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#112;&#109;&#97;&#116;&#114;&#105;&#120;&#125;&#32;&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#92;&#92;&#32;&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#92;&#92;&#32;&#92;&#101;&#110;&#100;&#123;&#112;&#109;&#97;&#116;&#114;&#105;&#120;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"294\" style=\"vertical-align: -17px;\"\/><\/p>\n<p>Gr\u00e2ce aux coordonn\u00e9es polaires <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c6860e690018126e7db7487958ad5a86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#114;&#44;&#92;&#116;&#104;&#101;&#116;&#97;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"36\" style=\"vertical-align: -4px;\"\/>, nous pouvons \u00e9crire la forme trigonom\u00e9trique du complexe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-06bd4a3ac4e55dba088a6a37173e1960_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#114;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#43;&#32;&#105;&#32;&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"179\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Le nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8e1b2ddc34446531209ff8e0ad766a00_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#32;&#92;&#103;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"41\" style=\"vertical-align: -3px;\"\/> est le module de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, not\u00e9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-326c761a7fd0e3ec888d40bf2a001e7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"15\" style=\"vertical-align: -4px;\"\/>, et le r\u00e9el <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-356a08e839ab6974a16448e16e56745d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#104;&#101;&#116;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> est appel\u00e9 l&rsquo;argument de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>. Nous pouvons donc \u00e9crire:<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-447c453e4489a4701d8c8c53152e91d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#124;&#32;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#124;\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"126\" style=\"vertical-align: -12px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-18568e5edff237e7fa97f0a85d7286f6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#104;&#101;&#116;&#97;&#32;&#61;&#32;&#40;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#117;&#95;&#123;&#120;&#125;&#125;&#44;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"26\" width=\"105\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb9947634907e3ca93403ae7fbc2c0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#50;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Nous pouvons d\u00e8s lors introduire la notation exponentielle complexe, qui s\u2019av\u00e9rera tr\u00e8s utile par la suite :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7640e18b6ed6fd5ef532edd0297294b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#61;&#32;&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#43;&#32;&#105;&#32;&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"165\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>On obtient ainsi la forme exponentielle du nombre complexe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8bbd5ef13bf6de5893612783777f4969_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#114;&#32;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"124\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>La figure ci-dessous repr\u00e9sente le cercle trigonom\u00e9trique avec les angles remarquables.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-179939 size-medium\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-terminale-d-nombres_complexes-300x300.png\" alt=\"Cours nombres complexes et g\u00e9om\u00e9trie terminale D\" width=\"300\" height=\"300\" srcset=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-terminale-d-nombres_complexes-300x300.png 300w, https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-terminale-d-nombres_complexes-150x150.png 150w, https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2023\/01\/cours-terminale-d-nombres_complexes.png 400w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><strong>Liens entre les coordonn\u00e9es cart\u00e9siennes et polaires : module et argument<\/strong><\/p>\n<p>Il est tr\u00e8s facile de passer des coordonn\u00e9es cart\u00e9siennes aux coordonn\u00e9es polaires, et vice-versa. En effet, si l&rsquo;on observe la figure pr\u00e9c\u00e9dente, un th\u00e9or\u00e8me de Pythagore et les relations de trigonom\u00e9trie nous donnent :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e34e9a611859dd5bb4e70755ae3b00de_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#124;&#32;&#92;&#111;&#118;&#101;&#114;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#123;&#79;&#77;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#124;&#32;&#61;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#120;&#94;&#123;&#50;&#125;&#43;&#121;&#94;&#123;&#50;&#125;&#125;&#32;&#61;&#32;&#114;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"221\" style=\"vertical-align: -12px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b16415ebcc54d8a1335366d9e9a813b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#120;&#125;&#123;&#114;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"83\" style=\"vertical-align: -12px;\"\/>, si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02417361c9e6febcc1e2dc8b1fc60faa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"41\" style=\"vertical-align: 0px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f5be7f9ee9dd745a5f8a2b00db01bb60_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#121;&#125;&#123;&#114;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"80\" style=\"vertical-align: -12px;\"\/>, si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-02417361c9e6febcc1e2dc8b1fc60faa_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#114;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"41\" style=\"vertical-align: 0px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7b969c85297d2902fe4d228c6e6acced_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#116;&#97;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#121;&#125;&#123;&#120;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"85\" style=\"vertical-align: -12px;\"\/>, si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-14227698845a1ea8c98427d3c2178e1d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>On peut donc ais\u00e9ment passer des coordonn\u00e9es <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-76f553ea5055b27082c28955d9ece578_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#120;&#44;&#121;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"39\" style=\"vertical-align: -4px;\"\/> aux coordonn\u00e9es <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c6860e690018126e7db7487958ad5a86_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#114;&#44;&#92;&#116;&#104;&#101;&#116;&#97;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"36\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"84983\" class=\"elementor elementor-84983\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-51d9c4d elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"51d9c4d\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-610eeeb9 ae-bg-gallery-type-default\" data-id=\"610eeeb9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bf69eb8 elementor-widget elementor-widget-heading\" data-id=\"5bf69eb8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE MATHS<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49568da4 elementor-widget elementor-widget-heading\" data-id=\"49568da4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Les meilleurs professeurs particuliers<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1eb9e0cb elementor-widget elementor-widget-heading\" data-id=\"1eb9e0cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Pour progresser et r\u00e9ussir<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15c3e28d elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"15c3e28d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/maths\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers maths<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a5c10e7 elementor-widget elementor-widget-text-editor\" data-id=\"1a5c10e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-6913d4fe ae-bg-gallery-type-default\" data-id=\"6913d4fe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<h2><\/h2>\n<h2>2 &#8211; Ensemble des nombres complexes en terminale D<\/h2>\n<p>L&rsquo;ensemble des nombres complexes peut \u00eatre not\u00e9 :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4a0ffe16736c11901584176bb2a7bb9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;&#32;&#61;&#32;&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#123;&#32;&#120;&#32;&#43;&#32;&#105;&#46;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"97\" style=\"vertical-align: -5px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8b493d9751d02b187d2b29f6f0e90df7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#120;&#44;&#121;&#41;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#123;&#50;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"82\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><strong>L&rsquo;ensemble des complexes <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> contient donc l&rsquo;ensemble des r\u00e9els <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a6e421454947c585b8fb5ae10299f873_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>.<\/strong> Les lois d&rsquo;addition et de multiplication sont \u00e9tendues \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> de mani\u00e8re identique.<\/p>\n<p><strong>ATTENTION<\/strong> : il n&rsquo;y a <strong>pas de relation d&rsquo;ordre sur <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>,<\/strong> autrement dit il n&rsquo;est pas possible d&rsquo;affirmer qu&rsquo;un nombre complexe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-32b1d4eb14c65ce255e673a85644c7d4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: -4px;\"\/> est inf\u00e9rieur ou sup\u00e9rieur \u00e0 un nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c4bd0df198700782a992d28113b8f15b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"\/>. On pourra seulement \u00e9crire :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ad0a6a30eef3a33b431485e9462516ec_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#95;&#123;&#49;&#125;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#108;&#101;&#113;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#95;&#123;&#50;&#125;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" style=\"vertical-align: -5px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d97daa61f45bf8f4dcc63cc85e407e6f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#95;&#123;&#49;&#125;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#103;&#101;&#113;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#95;&#123;&#50;&#125;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"71\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Le <strong>nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-695d9d59bd04859c6c99e7feb11daab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"\/><\/strong> indiqu\u00e9 plus haut est appel\u00e9 <strong>nombre imaginaire pur<\/strong>. Il est d\u00e9fini par l&rsquo;\u00e9quation : <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2e4e6b826c21022c94ebfe5365ffe6ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#111;&#120;&#101;&#100;&#123;&#105;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#45;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"29\" width=\"72\" style=\"vertical-align: -7px;\"\/><\/p>\n<p><strong>D\u00e9finition : Conjugu\u00e9 d&rsquo;un complexe<\/strong><\/p>\n<p>Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9e8508b6e66b6ed37a2a4148fae73db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/>, dont l&rsquo;\u00e9criture alg\u00e9brique est <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e58271498fa7f6afc7258e941ba481be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#120;&#32;&#43;&#32;&#105;&#46;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"84\" style=\"vertical-align: -4px;\"\/>, avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-04de452591229ed122ccd147bbe7c2e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#120;&#44;&#121;&#41;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"82\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p>Le complexe conjugu\u00e9 de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, not\u00e9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-460b49e3bdb30de07663eb1e07f44276_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"10\" style=\"vertical-align: 0px;\"\/>, est d\u00e9fini par:<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-00c5b9f8320b8c817cfb3d74e436ac9f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#120;&#32;&#45;&#32;&#105;&#46;&#121;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"84\" style=\"vertical-align: -4px;\"\/><\/p>\n<p><strong>Propri\u00e9t\u00e9s<\/strong> : soient <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d0f1e216b19262fe156aaf4a3e231f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"13\" style=\"vertical-align: 0px;\"\/> deux nombres complexes :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> est r\u00e9el si et seulement si sa partie imaginaire est nulle, autrement dit ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7a4c4d575148b09c4a9eff5cd77a1595_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"43\" style=\"vertical-align: 0px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> est imaginaire pur si et seulement si sa partie r\u00e9elle est nulle, autrement dit ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-925dc935f4474bd46ce093665e73ae22_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#45;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"57\" style=\"vertical-align: 0px;\"\/>;<\/p>\n<p>Les points d&rsquo;affixes <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-460b49e3bdb30de07663eb1e07f44276_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"10\" style=\"vertical-align: 0px;\"\/> sont sym\u00e9triques par rapport \u00e0 l&rsquo;axe des r\u00e9els (abscisses);<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cf44b4271170b6214013cad0bcd5b5e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#43;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#50;&#32;&#92;&#82;&#101;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"107\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b2e7f131640d4491dea6a952ec957992_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#45;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#50;&#105;&#32;&#92;&#73;&#109;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"113\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-df4b07d997c1972cefafb5d1eb38db1f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#125;&#32;&#61;&#32;&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"42\" style=\"vertical-align: 0px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9c925078035393a8ad71f7b5159d9d1e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#32;&#43;&#32;&#122;&#39;&#125;&#32;&#61;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#43;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#39;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"113\" style=\"vertical-align: -2px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a8ff13c8a2bfb59041647d2facfa7c5d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#122;&#39;&#125;&#32;&#61;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#39;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"113\" style=\"vertical-align: 0px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ba4c395bec019a231fbbbaf2fc4df045_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#110;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"42\" style=\"vertical-align: -4px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1399d328ff1e60e56dbed8b00e9f640d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#122;&#125;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"48\" style=\"vertical-align: -12px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9475ba51e291b876b0a5f38aa3be237_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#39;&#32;&#92;&#110;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -4px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8294daccb4272a62e6d424da8b511b52_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#122;&#39;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#125;&#123;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#39;&#125;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"78\" style=\"vertical-align: -14px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a76e0d6c2c932c4464d2c70293b1e697_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#94;&#123;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"51\" style=\"vertical-align: -1px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0c9955fd55eacceec5905e4524242ac3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#32;&#122;&#94;&#123;&#110;&#125;&#32;&#125;&#32;&#61;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#123;&#110;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"73\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p><strong>Argument d&rsquo;un nombre complexe non nul<\/strong><\/p>\n<p>Soient <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d0f1e216b19262fe156aaf4a3e231f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"13\" style=\"vertical-align: 0px;\"\/> deux nombres complexes non nuls. On notera <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-979eeadfbf49c284b7a034c539e2573c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"49\" style=\"vertical-align: -4px;\"\/> l&rsquo;argument de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>. Nous avons alors :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-487726927ec8fe813e148c66ca20e31e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/> ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5042c56654ba806e4da22adf53e8878e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"82\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1070b04337cb3734f9cade0d1d6b9c08_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"17\" style=\"vertical-align: -5px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> est imaginaire pur ssi <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e08b42d3dccdd0501934d745a94e7fa6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#105;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"86\" style=\"vertical-align: -12px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1070b04337cb3734f9cade0d1d6b9c08_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"17\" style=\"vertical-align: -5px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-00f528540aaff033bb02dcc274b264fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#122;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#122;&#39;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#43;&#32;&#97;&#114;&#103;&#40;&#122;&#39;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"236\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb9947634907e3ca93403ae7fbc2c0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#50;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -5px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-65614388c8aadc1ead501b9bd87b2053_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#122;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#45;&#32;&#97;&#114;&#103;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"155\" style=\"vertical-align: -17px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb9947634907e3ca93403ae7fbc2c0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#50;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -5px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7e752ae3bcfb639fc0226d541c0925e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#122;&#39;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#45;&#32;&#97;&#114;&#103;&#40;&#122;&#39;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"33\" width=\"217\" style=\"vertical-align: -12px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb9947634907e3ca93403ae7fbc2c0fc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#50;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p><strong>Module d&rsquo;un nombre complexe<\/strong><\/p>\n<p>Soit <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9e8508b6e66b6ed37a2a4148fae73db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/>. On rappelle que son module est d\u00e9fini par :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bdcfc22d53d090c71a4917c929f2901c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#82;&#101;&#40;&#122;&#41;&#94;&#123;&#50;&#125;&#32;&#43;&#32;&#92;&#73;&#109;&#40;&#122;&#41;&#94;&#123;&#50;&#125;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"167\" style=\"vertical-align: -6px;\"\/><\/p>\n<p>Soient <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5d0f1e216b19262fe156aaf4a3e231f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#39;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"13\" style=\"vertical-align: 0px;\"\/> deux complexes :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-289016f4ef6daed91e1aa0e040ce090c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#103;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"50\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea5941538887592d9313815f067b6477_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"50\" style=\"vertical-align: -4px;\"\/> si et seulement si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-908111d09df817ce0ec84757339a6214_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"42\" style=\"vertical-align: 0px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6dc7c313191fa03e2b5c8482d796da0f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#43;&#32;&#122;&#39;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#108;&#101;&#113;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#43;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#39;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"138\" style=\"vertical-align: -4px;\"\/> : IMPORTANT : on parle d&rsquo;in\u00e9galit\u00e9 triangulaire;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1f36fc990c0855aaa6663c80af229eb0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#122;&#39;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#39;&#32;&#92;&#118;&#101;&#114;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"138\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9475ba51e291b876b0a5f38aa3be237_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#39;&#32;&#92;&#110;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -4px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-31bd4cbb624571014f436ba6b595c99d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#122;&#39;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#39;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"77\" style=\"vertical-align: -17px;\"\/>;<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-896397447f4a0e54a03fb0855b4bcdea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#116;&#105;&#109;&#101;&#115;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#94;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"89\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a76e0d6c2c932c4464d2c70293b1e697_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#78;&#125;&#94;&#123;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"51\" style=\"vertical-align: -1px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6bd85c2cfe7ff00122e2b3ad3a412939_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#94;&#123;&#110;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#94;&#123;&#110;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"77\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p><strong>Formules d&rsquo;Euler : liens entre fonctions trigonom\u00e9triques et exponentielle complexe<\/strong><\/p>\n<p>Nous avons vu plus haut qu&rsquo;un nombre complexe <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d9e8508b6e66b6ed37a2a4148fae73db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"44\" style=\"vertical-align: -1px;\"\/> peut s&rsquo;\u00e9crire sous les formes \u00e9quivalentes:<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ee7cefeae5939a790f86dda5826adcd8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#43;&#32;&#105;&#32;&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"189\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7925abbdae42a802aa496b8eae95639f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"72\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Ainsi, on remarque tout de suite que :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-667adbd5783ee49e02115ab835bd8dcb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#82;&#101;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#101;&#94;&#123;&#105;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"120\" style=\"vertical-align: -7px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-493d3172401169683941eb1c973e0f49_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#73;&#109;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"118\" style=\"vertical-align: -7px;\"\/><\/p>\n<p>Par ailleurs, en exploitant les relations <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cf44b4271170b6214013cad0bcd5b5e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#43;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#50;&#32;&#92;&#82;&#101;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"107\" style=\"vertical-align: -4px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b2e7f131640d4491dea6a952ec957992_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#45;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#125;&#32;&#61;&#32;&#50;&#105;&#32;&#92;&#73;&#109;&#40;&#122;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"113\" style=\"vertical-align: -4px;\"\/>, nous obtenons les formules d&rsquo;Euler :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-629b329d6e5c4bc17a87f9f6e37fe13f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#99;&#111;&#115;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#43;&#32;&#101;&#94;&#123;&#45;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#125;&#123;&#50;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"146\" style=\"vertical-align: -12px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c6a5390ff0ca1eaa5e5f7c56a5f0a151_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#105;&#110;&#40;&#92;&#116;&#104;&#101;&#116;&#97;&#41;&#32;&#61;&#32;&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#101;&#94;&#123;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#32;&#45;&#32;&#101;&#94;&#123;&#45;&#105;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;&#125;&#123;&#50;&#105;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"144\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"127774\" class=\"elementor elementor-127774\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-5a7b6a2a elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5a7b6a2a\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-749af387 ae-bg-gallery-type-default\" data-id=\"749af387\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b4ed465 elementor-widget elementor-widget-heading\" data-id=\"1b4ed465\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS PARTICULIERS EN LIGNE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16d47760 elementor-widget elementor-widget-heading\" data-id=\"16d47760\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons s\u00e9lectionn\u00e9 pour vous les meilleurs professeurs particuliers.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21a162bf elementor-widget elementor-widget-heading\" data-id=\"21a162bf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR ACC\u00c9L\u00c9RER MA PROGRESSION<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5600477e elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"5600477e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-en-ligne\/toutes-matieres\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers en ligne<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c7a7876 elementor-widget elementor-widget-text-editor\" data-id=\"1c7a7876\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left;\"><b>Avis Google France <\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-2aa12288 ae-bg-gallery-type-default\" data-id=\"2aa12288\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<h2><\/h2>\n<h2>3 &#8211; Equations du second degr\u00e9 dans <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/><\/h2>\n<p>La r\u00e9solution des \u00e9quations du second degr\u00e9 diff\u00e8re quelque peu lorsque l&rsquo;inconnue <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> est complexe.<\/p>\n<p><strong>Cas n\u00b01<\/strong> : \u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-da69f230228b5eeb419bc04e0910c52e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"51\" style=\"vertical-align: 0px;\"\/>, avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2ce270165e059bf77a5beddd42cec8ad_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"46\" style=\"vertical-align: -1px;\"\/><\/p>\n<p>Il faut ici distinguer 2 cas de figure suivant le signe de la constante <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8f0b6b1a01f8fcc2f95be0364c090397_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p><strong>cas 1.1<\/strong> : <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-302098541226012c6e629a7e2188974d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#103;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"44\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d601c6138d4cc7bc057a05d3c354ecbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"44\" style=\"vertical-align: 0px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-17f2a392958efaee516084ee52a90f56_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#48;&#32;&#92;&#76;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#48;&#32;&#92;&#76;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#122;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"227\" style=\"vertical-align: -4px;\"\/>;<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c5ffaf24574d8dc13a1931c074da377e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"44\" style=\"vertical-align: 0px;\"\/>, alors <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-508a88a2edddcc7ae430d6f60683031e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#76;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"186\" style=\"vertical-align: -17px;\"\/>.<\/p>\n<p><strong>Une \u00e9galit\u00e9 entre 2 nombres complexes contient toujours 2 informations : le module et l&rsquo;argument. <\/strong>Nous avons ainsi :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9a7771841a51dc4e3399d8de3bea330a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#118;&#101;&#114;&#116;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"47\" width=\"79\" style=\"vertical-align: -17px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9ca71537a6c8b8d2249b53fd2a4d42ca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#94;&#123;&#50;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#61;&#32;&#50;&#32;&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#122;&#125;&#123;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"54\" width=\"237\" style=\"vertical-align: -23px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8f29b749a52f63855cc3ac4991a3add2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#61;&#32;&#50;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#45;&#32;&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#97;&#114;&#103;&#40;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"258\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>On en d\u00e9duit tout d&rsquo;abord que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-17e5e0ae1469dcb7e8dc4b676cbc877f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"67\" style=\"vertical-align: -4px;\"\/>.<\/p>\n<p>De plus, l&rsquo;argument d&rsquo;un nombre r\u00e9el strictement positif vaut 0 modulo <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5bfa2124624f767670227d1aeab8d85c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"20\" style=\"vertical-align: 0px;\"\/> (attention, il vaut <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-26d6788550ffd50fe94542bb3e8ee615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> pour un nombre r\u00e9el n\u00e9gatif).<\/p>\n<p>Ainsi, l&rsquo;\u00e9quation sur les arguments nous donne:<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8096a2c34725fb27fb72d9bcc0fb44ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"91\" style=\"vertical-align: -5px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a08bc476533d1fd5fc6dd5e4e2bdf149_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#50;&#92;&#112;&#105;&#093;&#32;&#61;&#32;&#50;&#107;&#32;&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"81\" style=\"vertical-align: -5px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-874615e10b570fe7644178b581daef7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"43\" style=\"vertical-align: -1px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-20ffd96f2dde58ae1afb3549624d99c2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#107;&#32;&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"94\" style=\"vertical-align: -5px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-874615e10b570fe7644178b581daef7f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"43\" style=\"vertical-align: -1px;\"\/><\/p>\n<p>Finalement, le nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> s&rsquo;av\u00e8re \u00eatre un nombre r\u00e9el, dont le module vaut <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bb642f59ac5cc1836ed0ed0b7e93de9d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"26\" style=\"vertical-align: -4px;\"\/>, et l&rsquo;argument <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5e437be25f29374d30f66cd46adf81c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-26d6788550ffd50fe94542bb3e8ee615_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> (module <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5bfa2124624f767670227d1aeab8d85c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#50;&#92;&#112;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"20\" style=\"vertical-align: 0px;\"\/>).<\/p>\n<p>Autrement dit :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-30f50335abf1828449a489d4e975c09e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#92;&#123;&#32;&#45;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#44;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"122\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><strong>cas 1.2 <\/strong>: <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ce42e218c4eaabc3b902afbf47534099_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"44\" style=\"vertical-align: -2px;\"\/><\/p>\n<p>Dans le cas r\u00e9el, l&rsquo;\u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-071952bdb2d5326b3ff0dcf9192acee0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#120;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#97;&#108;&#112;&#104;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"52\" style=\"vertical-align: 0px;\"\/> n&rsquo;admet aucune solution. Mais dans <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-68da13602f004ced593a0442bca3f363_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>, les choses sont diff\u00e9rentes !<\/p>\n<p>A nouveau, le module et l&rsquo;argument nous fournissement deux \u00e9quations :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-46d2ced67cbf84917c8d9ebaf5a6618e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#94;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#76;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#122;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#61;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"190\" style=\"vertical-align: -6px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-092f111d270aabdfc048437fc4de4d88_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#114;&#103;&#32;&#92;&#108;&#101;&#102;&#116;&#40;&#32;&#122;&#94;&#123;&#50;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#41;&#32;&#61;&#32;&#50;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#97;&#114;&#103;&#32;&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"220\" style=\"vertical-align: -7px;\"\/><\/p>\n<p>=<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2a363c9797080449a2a178ebc10b0baf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#112;&#105;&#32;&#43;&#32;&#50;&#107;&#32;&#92;&#112;&#105;&#92;&#116;&#101;&#120;&#116;&#123;&#44;&#32;&#125;&#107;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;&#32;&#92;&#76;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#97;&#114;&#103;&#40;&#122;&#41;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#105;&#125;&#123;&#50;&#125;&#32;&#43;&#32;&#107;&#32;&#92;&#112;&#105;&#92;&#116;&#101;&#120;&#116;&#123;&#44;&#32;&#125;&#107;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#90;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"339\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Ainsi, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4586e340cb83d5b642972e97a288fec2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/> est un nombre imaginaire pur, de module <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5b2555ceb983daf4a39c28f74b589e96_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"39\" style=\"vertical-align: -6px;\"\/>, et d&rsquo;argument <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b05f1c8d10051713c3a0b18f1b6f50e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#92;&#112;&#105;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"11\" style=\"vertical-align: -12px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1070b04337cb3734f9cade0d1d6b9c08_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#92;&#112;&#105;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"17\" style=\"vertical-align: -5px;\"\/>.<\/p>\n<p>Finalement :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-effd38a7eb6b76584c2f5fff4d72676b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#108;&#101;&#102;&#116;&#32;&#92;&#123;&#32;&#45;&#105;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;&#44;&#32;&#105;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;&#32;&#92;&#114;&#105;&#103;&#104;&#116;&#32;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"32\" width=\"164\" style=\"vertical-align: -11px;\"\/><\/p>\n<p><strong>Cas n\u00b02<\/strong> : \u00e9quation <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-85c646d2181324b6b1652369d401825b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#122;&#94;&#123;&#50;&#125;&#32;&#43;&#32;&#98;&#122;&#32;&#43;&#32;&#99;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"126\" style=\"vertical-align: -2px;\"\/>, avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4c926099518cc15127bd001d33bbb656_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;&#44;&#32;&#97;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#123;&#42;&#125;&#44;&#32;&#98;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#44;&#32;&#99;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"203\" style=\"vertical-align: -4px;\"\/><\/p>\n<p>A l&rsquo;instar du cas r\u00e9el, on commence par calculer le discriminant du polyn\u00f4me :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-93c22d9ebfd1fbe5ea19c115aa22e275_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#98;&#94;&#123;&#50;&#125;&#32;&#45;&#32;&#52;&#32;&#97;&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"101\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>Comme les coefficients <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5c53d6ebabdbcfa4e107550ea60b1b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f56d50c26583f9a035ff6b4e3c0ca5c0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#98;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"8\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-41a04eeea923a1a0c28094a8a4680525_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#99;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"8\" style=\"vertical-align: 0px;\"\/> sont r\u00e9els, nous pouvons \u00e9tudier le signe de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-60a3042519bbff12247a1ac81bcd611e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> :<\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-19b0bc6225e3a638cbff8bd55696fe0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#62;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"47\" style=\"vertical-align: -2px;\"\/> : le polyn\u00f4me du 2nd degr\u00e9 admet deux racines r\u00e9elles distinctes :<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-eb3bdd3273a748747add76cf473b0e89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#49;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#45;&#98;&#32;&#45;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#68;&#101;&#108;&#116;&#97;&#125;&#125;&#123;&#50;&#97;&#125;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"151\" style=\"vertical-align: -12px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1693fad334701858a47ffe7c59cb666b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#45;&#98;&#32;&#43;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#92;&#68;&#101;&#108;&#116;&#97;&#125;&#125;&#123;&#50;&#97;&#125;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"151\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4983dc22aa6530a9c0dc9a3fe7dd16e0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"\/> : le polyn\u00f4me admet une racine r\u00e9elle double : <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fc7b8a96f3860a4d1f50c0d1038f1f94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#48;&#125;&#32;&#61;&#32;&#45;&#32;&#92;&#102;&#114;&#97;&#99;&#123;&#98;&#125;&#123;&#50;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"70\" style=\"vertical-align: -6px;\"\/>;<\/p>\n<p><strong>Si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b685564f217373a1cdfa389d8fe5fbbd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#60;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"47\" style=\"vertical-align: 0px;\"\/> : le polyn\u00f4me admet 2 racines complexes conjugu\u00e9es :<\/strong><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fe8557a214c0fe663102fe648595a8d0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#49;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#45;&#98;&#32;&#45;&#32;&#105;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;&#125;&#123;&#50;&#97;&#125;&#32;&#92;&#105;&#110;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#67;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"170\" style=\"vertical-align: -12px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1677fa912a79990a0f4671febefac6af_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#122;&#95;&#123;&#50;&#125;&#32;&#61;&#32;&#92;&#100;&#102;&#114;&#97;&#99;&#123;&#45;&#98;&#32;&#43;&#32;&#105;&#32;&#92;&#115;&#113;&#114;&#116;&#123;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#92;&#118;&#101;&#114;&#116;&#32;&#125;&#125;&#123;&#50;&#97;&#125;&#32;&#61;&#32;&#92;&#111;&#118;&#101;&#114;&#108;&#105;&#110;&#101;&#123;&#122;&#95;&#123;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"175\" style=\"vertical-align: -12px;\"\/><\/p>\n<p>Retrouvez d&rsquo;autres chapitres \u00e0 travailler en cours de maths en terminale D :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-recurrence\/\">Cours raisonnement par r\u00e9currence terminale D<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-suites\/\">Cours terminale D les suites num\u00e9riques<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cours sur les nombres complexes et g\u00e9om\u00e9trie en Terminale D R\u00e9sum\u00e9 de cours Exercices et corrig\u00e9s Cours en ligne de maths en Terminale D Vous trouverez ci-dessous un cours de maths sur les nombres complexes propos\u00e9 aux \u00e9l\u00e8ves de terminale D. 1. Ecriture alg\u00e9brique et trigonom\u00e9trique des complexes en terminale D Le corps des nombres [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Terminale D : Cours gratuit nombres complexes et g\u00e9om\u00e9trie<\/title>\n<meta name=\"description\" content=\"Cours en ligne gratuit sur les nombres complexes et g\u00e9om\u00e9trie \u00e0 destination des \u00e9l\u00e8ves qui pr\u00e9parent le bac D notamment en Afrique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-terminale-d-complexes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta 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