{"id":739,"date":"2015-08-12T15:45:45","date_gmt":"2015-08-12T20:45:45","guid":{"rendered":"http:\/\/daylateanddollarshort.com\/bloog\/?p=739"},"modified":"2015-08-12T15:46:03","modified_gmt":"2015-08-12T20:46:03","slug":"half-angles-in-a-triangle","status":"publish","type":"post","link":"http:\/\/daylateanddollarshort.com\/bloog\/half-angles-in-a-triangle\/","title":{"rendered":"Half-Angles in a Triangle"},"content":{"rendered":"\n<p><a href=\"http:\/\/math.stackexchange.com\/a\/1394782\/409\" target=\"_blank\">My answer<\/a> to <a href=\"http:\/\/math.stackexchange.com\/q\/1394674\/409\" target=\"_blank\">this question<\/a> at <a href=\"http:\/\/Math.StackExchange.com\" target=\"_blank\">Math.StackExchange.com<\/a>.<\/p>\n<hr\/>\n<p><\/p>\n<p><a href=\"http:\/\/daylateanddollarshort.com\/bloog\/wp-content\/uploads\/2015\/08\/mse-halfanglediffidentity.png\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/daylateanddollarshort.com\/bloog\/wp-content\/uploads\/2015\/08\/mse-halfanglediffidentity.png\" alt=\"mse-halfanglediffidentity\" width=\"440\" height=\"334\" class=\"aligncenter size-full wp-image-740\" srcset=\"http:\/\/daylateanddollarshort.com\/bloog\/wp-content\/uploads\/2015\/08\/mse-halfanglediffidentity.png 660w, http:\/\/daylateanddollarshort.com\/bloog\/wp-content\/uploads\/2015\/08\/mse-halfanglediffidentity-300x227.png 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p>$$\\Large{c\\;\\sin\\frac{A-B}{2} \\;\\equiv\\; (a-b)\\;\\cos\\frac{C}{2}}$$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>My answer to this question at Math.StackExchange.com. $$\\Large{c\\;\\sin\\frac{A-B}{2} \\;\\equiv\\; (a-b)\\;\\cos\\frac{C}{2}}$$<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,5],"tags":[],"class_list":["post-739","post","type-post","status-publish","format-standard","hentry","category-proof-without-words","category-trigonography"],"_links":{"self":[{"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/posts\/739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/comments?post=739"}],"version-history":[{"count":10,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/posts\/739\/revisions"}],"predecessor-version":[{"id":750,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/posts\/739\/revisions\/750"}],"wp:attachment":[{"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/media?parent=739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/categories?post=739"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/daylateanddollarshort.com\/bloog\/wp-json\/wp\/v2\/tags?post=739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}