{"id":4085,"date":"2021-12-20T09:00:00","date_gmt":"2021-12-20T08:00:00","guid":{"rendered":"https:\/\/smalltalks.eu\/blog\/?p=4085"},"modified":"2026-10-13T12:20:53","modified_gmt":"2026-10-13T10:20:53","slug":"cos-x-sin-x-2-dr-peyam","status":"publish","type":"post","link":"https:\/\/smalltalks.eu\/blog\/2021\/12\/20\/cos-x-sin-x-2-dr-peyam\/","title":{"rendered":"cos x + sin x = 2 (Dr Peyam)"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ud83d\udc49 cos + sin = 2 \ud83d\udc48\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/I2sj47WQGDc?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Impossible avec des nombres r\u00e9els, puisque la somme ne d\u00e9passe jamais \u221a2. Mais avec les nombres complexes ? Exponentielles, coordonn\u00e9es polaires et racines complexes pour r\u00e9soudre une \u00e9quation qui n&#8217;a l&#8217;air de rien (en anglais).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voir aussi : <a href=\"https:\/\/smalltalks.eu\/blog\/?p=4086\">sauras-tu calculer cette somme ?<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Dr Peyam.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Impossible avec des nombres r\u00e9els, puisque la somme ne d\u00e9passe jamais \u221a2. Mais avec les nombres complexes ? Exponentielles, coordonn\u00e9es polaires et racines complexes pour r\u00e9soudre une \u00e9quation qui n&#8217;a l&#8217;air de rien (en anglais). Voir aussi : sauras-tu calculer cette somme ?. Dr Peyam.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[],"class_list":["post-4085","post","type-post","status-publish","format-standard","hentry","category-sciences"],"_links":{"self":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/4085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/comments?post=4085"}],"version-history":[{"count":1,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/4085\/revisions"}],"predecessor-version":[{"id":4115,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/4085\/revisions\/4115"}],"wp:attachment":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/media?parent=4085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/categories?post=4085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/tags?post=4085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}