{"id":4914,"date":"2015-11-16T22:51:30","date_gmt":"2015-11-16T21:51:30","guid":{"rendered":"http:\/\/www.matematicaok.it\/?p=4914"},"modified":"2015-11-16T23:58:55","modified_gmt":"2015-11-16T22:58:55","slug":"cos-nx","status":"publish","type":"post","link":"https:\/\/www.matematicaok.com\/?p=4914","title":{"rendered":"cos(nx)"},"content":{"rendered":"<p>cos(2x) = \u20131+2cos<sup>2<\/sup>(x)<br \/>\ncos(3x) = \u20133cos(x)+4cos<sup>3<\/sup>(x)<br \/>\ncos(4x) = 1\u20138cos<sup>2<\/sup>(x)+8cos<sup>4<\/sup>(x)<br \/>\ncos(5x) = 5cos(x)\u201320cos<sup>3<\/sup>(x)+16cos<sup>5<\/sup>(x)<br \/>\ncos(6x) = \u20131+18cos<sup>2<\/sup>(x)\u201348cos<sup>4<\/sup>(x)+32cos<sup>6<\/sup>(x)<br \/>\ncos(7x) = \u20137cos(x)+56cos<sup>3<\/sup>(x)\u2013112cos<sup>5<\/sup>(x)+64cos<sup>7<\/sup>(x)<br \/>\ncos(8x) = 1\u201332cos<sup>2<\/sup>(x)+160cos<sup>4<\/sup>(x)\u2013256cos<sup>6<\/sup>(x)+128cos<sup>8<\/sup>(x)<br \/>\ncos(9x) = 9cos(x)\u2013120cos<sup>3<\/sup>(x)+432cos<sup>5<\/sup>(x)\u2013576cos<sup>7<\/sup>(x)+256cos<sup>9<\/sup>(x)<br \/>\ncos(10x) = \u20131+50cos<sup>2<\/sup>(x)\u2013400cos<sup>4<\/sup>(x)+1120cos<sup>6<\/sup>(x)\u20131280cos<sup>8<\/sup>(x)+512cos<sup>10<\/sup>(x)<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>cos(2x) = \u20131+2cos2(x) cos(3x) = \u20133cos(x)+4cos3(x) cos(4x) = 1\u20138cos2(x)+8cos4(x) cos(5x) = 5cos(x)\u201320cos3(x)+16cos5(x) cos(6x) = \u20131+18cos2(x)\u201348cos4(x)+32cos6(x) cos(7x) = \u20137cos(x)+56cos3(x)\u2013112cos5(x)+64cos7(x) cos(8x) = 1\u201332cos2(x)+160cos4(x)\u2013256cos6(x)+128cos8(x) cos(9x) = 9cos(x)\u2013120cos3(x)+432cos5(x)\u2013576cos7(x)+256cos9(x) cos(10x) = \u20131+50cos2(x)\u2013400cos4(x)+1120cos6(x)\u20131280cos8(x)+512cos10(x) &nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[160],"tags":[],"class_list":["post-4914","post","type-post","status-publish","format-standard","hentry","category-goniometria"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p85Wmq-1hg","_links":{"self":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/4914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4914"}],"version-history":[{"count":2,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/4914\/revisions"}],"predecessor-version":[{"id":4944,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/4914\/revisions\/4944"}],"wp:attachment":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}