{"id":540,"date":"2025-10-21T08:45:29","date_gmt":"2025-10-21T08:45:29","guid":{"rendered":"http:\/\/saegil-lab.kr\/?p=540"},"modified":"2025-10-23T08:58:16","modified_gmt":"2025-10-23T08:58:16","slug":"%ec%82%bc%ea%b0%81%ed%95%a8%ec%88%98%ec%99%80-%ed%95%ad%eb%93%b1%ec%8b%9d","status":"publish","type":"post","link":"https:\/\/saegil-lab.kr\/?p=540","title":{"rendered":"\uc0bc\uac01\ud568\uc218\uc640 \ud56d\ub4f1\uc2dd"},"content":{"rendered":"\n

<\/p>\n\n\n\n

\uc0bc\uac01\ud568\uc218(trigonometric function)\uc758 \uc815\uc758\uc640 \uc0bc\uac01\ud568\uc218\uc5d0 \uad00\ub828\ub41c \ud56d\ub4f1\uc2dd\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

\uc704\uc758 \uc9c1\uac01 \uc0bc\uac01\ud615\uc5d0\uc11c \ubc11\ubcc0\uc744 \"a\", \ub192\uc774\ub97c \"b\", \ube57\uba74\uc744 \"c\"\ub77c\uace0 \ud560 \ub54c \uac01 \"\theta\"\uc5d0 \ub300\ud55c \uc0bc\uac01\ud568\uc218 \"\sin \theta\", \"\cos \theta\", \"\tan \theta\"\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub41c\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \sin \theta = \frac{b}{c} \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \cos \theta = \frac{a}{c} \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \tan \theta = \frac{b}{a} \]\"<\/p><\/p>\n\n\n\n

\uc704\uc758 \uc138 \uac00\uc9c0 \uc0bc\uac01\ube44\uc5d0 \ub300\ud55c \uc5ed\uc218\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f4\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \csc \theta = \frac{1}{\sin \theta} = \frac{c}{b} \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \sec \theta = \frac{1}{\cos \theta} = \frac{c}{a} \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \cot \theta = \frac{1}{\tan \theta} = \frac{a}{b} \]\"<\/p><\/p>\n\n\n\n

\uc774 \uc9c1\uac01 \uc0bc\uac01\ud615\uc5d0\ub294 \ud53c\ud0c0\uace0\ub77c\uc2a4\uc815\ub9ac\uac00 \uc131\ub9bd\ud55c\ub2e4.<\/p>\n\n\n\n

(1) <\/span>   <\/span>\"\begin{equation*}a^2 + b^2 = c^2\end{equation*}\"<\/p><\/p>\n\n\n\n

(1)\uc2dd\uc758 \uc591\ubcc0\uc744 \"c^2\"\uc73c\ub85c \uac01\uac01 \ub098\ub204\uba74<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \left( \frac{a}{c} \right)^2 + \left( \frac{b}{c} \right)^2 = 1 \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \therefore \cos^2 \theta + \sin^2 \theta = 1 \]\"<\/p><\/p>\n\n\n\n

(1)\uc2dd\uc758 \uc591\ubcc0\uc744 \"a^2\"\uc73c\ub85c \uac01\uac01 \ub098\ub204\uba74<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ 1 + \left( \frac{b}{a} \right)^2 = \left( \frac{c}{a} \right)^2 \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \therefore 1 + \tan^2 \theta = \sec^2 \theta \]\"<\/p><\/p>\n\n\n\n

(1)\uc2dd\uc758 \uc591\ubcc0\uc744 \"b^2\"\uc73c\ub85c \uac01\uac01 \ub098\ub204\uba74<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \left( \frac{a}{b} \right)^2 + 1 = \left( \frac{c}{b} \right)^2 \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \therefore 1 + \cot^2 \theta = \csc^2 \theta \]\"<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

\uc0bc\uac01\ud568\uc218(trigonometric function)\uc758 \uc815\uc758\uc640 \uc0bc\uac01\ud568\uc218\uc5d0 \uad00\ub828\ub41c \ud56d\ub4f1\uc2dd\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc704\uc758 \uc9c1\uac01 \uc0bc\uac01\ud615\uc5d0\uc11c \ubc11\ubcc0\uc744 , \ub192\uc774\ub97c , \ube57\uba74\uc744 \ub77c\uace0 \ud560 \ub54c \uac01 \uc5d0 \ub300\ud55c \uc0bc\uac01\ud568\uc218 , , \ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub41c\ub2e4.             \uc704\uc758 \uc138 \uac00\uc9c0 \uc0bc\uac01\ube44\uc5d0 \ub300\ud55c \uc5ed\uc218\ub97c … \uacc4\uc18d \uc77d\uae30 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[32,33,34],"class_list":["post-540","post","type-post","status-publish","format-standard","hentry","category-13","tag-32","tag-33","tag-34"],"_links":{"self":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=540"}],"version-history":[{"count":18,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/540\/revisions"}],"predecessor-version":[{"id":638,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/540\/revisions\/638"}],"wp:attachment":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}