sin\u662f\u6570\u5b66\u4e2d\u4e00\u79cd\u4e09\u89d2\u51fd\u6570\uff0c\u8868\u793a\u89d2\u5ea6\u4e3ax\u7684\u6b63\u5f26\u503c\uff0c\u901a\u5e38\u7528sin\uff08x\uff09\u8868\u793a\u3002\u5176\u503c\u7b49\u4e8e\u5bf9\u8fb9\u4e0e\u659c\u8fb9\u7684\u6bd4\u503c\u3002\u5728\u4e00\u4e2a\u76f4\u89d2\u4e09\u89d2\u5f62\u4e2d\uff0c\u6b63\u5f26\u662f\u76f8\u5bf9\u4e8e\u89d2\u5ea6\u7684\u4e00\u8fb9\u7684\u957f\u5ea6\uff0c\u4e0e\u6240\u6709\u6bd4\u5b83\u77ed\u7684\u4e24\u8fb9\u4e4b\u4e00\uff0c\u5373\u659c\u8fb9\u4e4b\u6bd4\u3002<\/p>\n
sin\u662f\u4ec0\u4e48\u8fb9\u6bd4\u4ec0\u4e48\u8fb9<\/p>\n
sin\u662f\u5bf9\u8fb9\u6bd4\u659c\u8fb9\u3002<\/p>\n
\u6b63\u5f26\uff08sine\uff09\uff0c\u6570\u5b66\u672f\u8bed\uff0c\u5728\u76f4\u89d2\u4e09\u89d2\u5f62\u4e2d\uff0c\u4efb\u610f\u4e00\u9510\u89d2\u2220A\u7684\u5bf9\u8fb9\u4e0e\u659c\u8fb9\u7684\u6bd4\u53eb\u505a\u2220A\u7684\u6b63\u5f26\uff0c\u8bb0\u4f5csinA\uff08\u7531\u82f1\u8bedsine\u4e00\u8bcd\u7b80\u5199\u5f97\u6765\uff09\uff0c\u5373sinA=\u2220A\u7684\u5bf9\u8fb9\/\u659c\u8fb9\u3002<\/p>\n
\u4e09\u89d2\u51fd\u6570\u662f\u57fa\u672c\u521d\u7b49\u51fd\u6570\u4e4b\u4e00\uff0c\u662f\u4ee5\u89d2\u5ea6\uff08\u6570\u5b66\u4e0a\u6700\u5e38\u7528\u5f27\u5ea6\u5236\uff0c\u4e0b\u540c\uff09\u4e3a\u81ea\u53d8\u91cf\uff0c\u89d2\u5ea6\u5bf9\u5e94\u4efb\u610f\u89d2\u7ec8\u8fb9\u4e0e\u5355\u4f4d\u5706\u4ea4\u70b9\u5750\u6807\u6216\u5176\u6bd4\u503c\u4e3a\u56e0\u53d8\u91cf\u7684\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u7b49\u4ef7\u5730\u7528\u4e0e\u5355\u4f4d\u5706\u6709\u5173\u7684\u5404\u79cd\u7ebf\u6bb5\u7684\u957f\u5ea6\u6765\u5b9a\u4e49\u3002<\/p>\n
\u4e09\u89d2\u51fd\u6570\u5728\u7814\u7a76\u4e09\u89d2\u5f62\u548c\u5706\u7b49\u51e0\u4f55\u5f62\u72b6\u7684\u6027\u8d28\u65f6\u6709\u91cd\u8981\u4f5c\u7528\uff0c\u4e5f\u662f\u7814\u7a76\u5468\u671f\u6027\u73b0\u8c61\u7684\u57fa\u7840\u6570\u5b66\u5de5\u5177\u3002<\/p>\n
\u4e09\u89d2\u51fd\u6570\u7684\u4e3b\u8981\u516c\u5f0f<\/p>\n
1\u3001\u6b63\u5f26\u51fd\u6570\uff08sin\uff09\uff0csin\u03b1=\u2220\u03b1\u7684\u5bf9\u8fb9\/\u659c\u8fb9<\/p>\n
2\u3001\u4f59\u5f26\u51fd\u6570\uff08cos\uff09\uff0ccos\u03b1=\u2220\u03b1\u7684\u90bb\u8fb9\/\u659c\u8fb9<\/p>\n
3\u3001\u6b63\u5207\u51fd\u6570\uff08tan\uff09\uff0ctan\u03b1=\u2220\u03b1\u7684\u5bf9\u8fb9\/\u2220\u03b1\u7684\u90bb\u8fb9<\/p>\n
4\u3001\u4f59\u5207\u51fd\u6570\uff08cot\uff09\uff0ccot\u03b1=\u2220\u03b1\u7684\u90bb\u8fb9\/\u2220\u03b1\u7684\u5bf9\u8fb9<\/p>\n
sin\u6709\u8d1f\u503c\u5417<\/p>\n
sin\u662f\u4e09\u89d2\u51fd\u6570\u4e2d\u7684\u6b63\u5f26\u503c\uff0c\u5b83\u8868\u793a\u7684\u662f\u5728\u76f4\u89d2\u4e09\u89d2\u5f62\u4e2d\uff0c\u4e00\u4e2a\u7684\u89d2\u6240\u5bf9\u5e94\u7684\u76f4\u89d2\u8fb9\u4e0e\u659c\u8fb9\u7684\u6bd4\u7684\u5173\u7cfb\uff0c\u6bd4\u4f8b\u4e0d\u53ef\u80fd\u6709\u8d1f\u6570\uff0c\u6240\u4ee5sin\u7684\u503c\u4e0d\u53ef\u80fd\u4e3a\u8d1f\u6570\uff0c\u8fd8\u6709\u56e0\u4e3a\u8fb9\u7684\u957f\u5ea6\u4e0d\u53ef\u80fd\u4e3a\u96f6\uff0c\u6240\u4ee5sin\u503c\u4e5f\u4e0d\u53ef\u4ee5\u4e3a\u96f6\u3002\u5b66\u4e60\u4e09\u89d2\u51fd\u6570\uff0c\u5efa\u8bae\u5148\u53bb\u7406\u89e3\u597d\u4ed6\u4eec\u7684\u6982\u5ff5\u4ee5\u53ca\u5b9a\u4e49\u3002<\/p>\n
sin\u6c38\u8fdc\u662f\u6b63\u6570\u5417<\/p>\n
\u4e0d\u4e00\u5b9a\u3002\u89d2\u5927\u4e8e0\u5ea6\u800c\u5c0f\u4e8e90\u5ea6\uff0c\u8fd9\u4e2a\u89d2\u7684sin\u503c\u662f\u6b63\u7684\uff0csin0=0\uff0csin90=1\uff1b\u89d2\u5927\u4e8e90\u5ea6\u5c0f\u4e8e180\u5ea6\u65f6\uff0csin\u503c\u662f\u8d1f\u503c\uff1b\u5f53\u53eb\u7684\u5ea6\u6570\u5927\u4e8e180\u5ea6\u800c\u5c0f\u4e8e270\u5ea6\u65f6\uff0csin\u503c\u662f\u8d1f\u503c\uff1b\u5f53\u89d2\u7684\u5ea6\u6570\u5927\u4e8e270\u5ea6\u5c0f\u4e8e360\u5ea6\u65f6\uff0csin\u503c\u662f\u6b63\u503c\u3002<\/p>\n
\u6b63\u5f26\uff08sine\uff09\uff0c\u6570\u5b66\u672f\u8bed\uff0c\u662f\u4e09\u89d2\u51fd\u6570\u7684\u4e00\u79cd\uff0c\u5728\u76f4\u89d2\u4e09\u89d2\u5f62\u4e2d\uff0c\u4efb\u610f\u4e00\u9510\u89d2\u2220A\u7684\u5bf9\u8fb9\u4e0e\u659c\u8fb9\u7684\u6bd4\u53eb\u505a\u2220A\u7684\u6b63\u5f26\uff0c\u8bb0\u4f5csinA\uff08\u7531\u82f1\u8bedsine\u4e00\u8bcd\u7b80\u5199\u5f97\u6765\uff09\uff0c\u5373sinA=\u2220A\u7684\u5bf9\u8fb9\/\u659c\u8fb9\u3002<\/p>\n
\u53e4\u4ee3\u8bf4\u6cd5\uff0c\u6b63\u5f26\u662f\u80a1\u4e0e\u5f26\u7684\u6bd4\u4f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
sin\u662f\u6570\u5b66\u4e2d\u4e00\u79cd\u4e09\u89d2\u51fd\u6570\uff0c\u8868\u793a\u89d2\u5ea6\u4e3ax\u7684\u6b63\u5f26\u503c\uff0c\u901a\u5e38\u7528sin\uff08x\uff09\u8868\u793a\u3002\u5176\u503c\u7b49\u4e8e\u5bf9\u8fb9\u4e0e\u659c\u8fb9\u7684\u6bd4\u503c\u3002\u5728\u4e00\u4e2a\u76f4\u89d2 … \u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-4310","post","type-post","status-publish","format-standard","hentry","category-shuxue"],"_links":{"self":[{"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/posts\/4310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/comments?post=4310"}],"version-history":[{"count":1,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/posts\/4310\/revisions"}],"predecessor-version":[{"id":4311,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/posts\/4310\/revisions\/4311"}],"wp:attachment":[{"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/media?parent=4310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/categories?post=4310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.114158.com\/xueke\/wp-json\/wp\/v2\/tags?post=4310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}