{"id":833,"date":"2025-11-19T15:21:05","date_gmt":"2025-11-19T06:21:05","guid":{"rendered":"http:\/\/saegil-lab.kr\/?p=833"},"modified":"2025-11-20T14:57:18","modified_gmt":"2025-11-20T05:57:18","slug":"%ec%82%bc%ea%b0%81-%ec%b8%a1%eb%9f%89%eb%b2%95","status":"publish","type":"post","link":"https:\/\/saegil-lab.kr\/?p=833","title":{"rendered":"\uc0bc\uac01 \uce21\ub7c9\ubc95"},"content":{"rendered":"\n

[\uc774 \uae00\uc740 \uac15\uc758\ub97c \uc704\ud55c \uac1c\ub7b5\uc801\uc778 \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4]<\/p>\n\n\n\n

\uc0bc\uac01\ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \uae38\uc774\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc0bc\uac01\uce21\ub7c9\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n

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

\uac15 \uac74\ub108\ud3b8\uc5d0 \uc788\ub294 C\uc810 \uae4c\uc9c0\uc758 \uc218\uc9c1 \uac70\ub9ac \"d\"\ub97c \uad6c\ud574\ubcf4\uc790.<\/p>\n\n\n\n

\uac15 \ud55c\ud3b8\uc5d0\uc11c A \uc640 B\uc758 \ub450 \uc810\uc744 \uc7a1\uace0 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uac00 \uadf8 \uac12\uc774 \"l\"\uc774\ub77c\uace0 \ud558\uc790.<\/p>\n\n\n\n

C\uc640 \"l\"\uc5d0 \uc218\uc9c1\uc778 \uc810 H \ub97c \uc7a1\uace0 \"\rm{\overline{AH}}\"\uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \"x\", \"\rm{\overline{BH}}\"\uc0ac\uc774\uc758 \uac70\ub9ac\ub97c \"y\"\ub77c\uace0 \ud558\uba74<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ l = x + y\]\"<\/p><\/p>\n\n\n\n

A\uc5d0\uc11c \uad00\uce21\ud55c C\uae4c\uc9c0\uc758 \uac01\uc744 \"\alpha\", B\uc5d0\uc11c C\ub97c \uad00\uce21\ud55c \uac01\uc744 \"\beta\"\ub77c\uace0 \ud558\uba74 \ud0c4\uc820\ud2b8\uc758 \uc815\uc758\uc5d0 \uc758\ud574 \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[\tan{\alpha} = \frac{d}{x} \]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[\tan{\beta} = \frac{d}{y}\]\"<\/p><\/p>\n\n\n\n

\ub530\ub77c\uc11c \"x\"\uc640 \"y\"\uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ x = \frac{d}{\tan\alpha} = \frac{\cos\alpha}{\sin\alpha} d\]\"<\/p>

  <\/span>   <\/span>\"\[ y = \frac{d}{\tan\beta} = \frac{\cos\beta}{\sin\beta} d\]\"<\/p><\/p>\n\n\n\n

\"l=x + y\"\uc774\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\begin{align*}l = x + y &= \left( \frac{\cos\alpha}{\sin\alpha} + \frac{\cos\beta}{\sin\beta} \right) d \\ &= \frac{\sin\alpha \cos\beta + \cos\alpha \sin\beta}{\sin\alpha \sin \beta} d\\ &= \frac{\sin(\alpha + \beta)}{\sin\alpha \sin\beta} d \end{align*}\"<\/p><\/p>\n\n\n\n

\uc5ec\uae30\uc11c \uc0bc\uac01\ud568\uc218\uc758 \ud569\uc758 \uacf5\uc2dd \"\sin(\alpha + \beta) = \sin\alpha \cos\beta + \cos\alpha \sin \beta\"\ub97c \uc774\uc6a9\ud558\uc600\ub2e4.<\/p>\n\n\n\n

\ub530\ub77c\uc11c \uc6b0\ub9ac\uac00 \uad6c\ud558\uace0\uc790 \ud558\ub294 \uac83\uc740 \"d\"\ub97c \uce21\uc815\uac12 \"l\", \"\alpha\", \"\beta\"\ub97c \uc774\uc6a9\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ d = \frac{\sin \alpha \sin \beta}{\sin(\alpha + \beta)}\ l\]\"<\/p><\/p>\n\n\n\n

\uc0ac\uc778\uc815\ub9ac\ub97c \uc774\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

\"\angle \rm{C}\"\ub97c \"\gamma\"\ub77c\uace0 \ud558\uba74 \uc0bc\uac01\ud615\uc758 \ub0b4\uac01\uc758 \ud569\uc774 \"180^{\circ}\"\uc774\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uad00\uacc4\uac00 \uc131\ub9bd\ud55c\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \gamma = 180^{\circ} - (\alpha + \beta) \]\"<\/p><\/p>\n\n\n\n

\uac01 \"\alpha\"\uc758 \ub300\ubcc0\uc758 \uae38\uc774\ub97c \"a\", \"\beta\"\uc758 \ub300\ubcc0\uc744 \"b\"\ub77c\uace0 \ud558\uba74 \uc0ac\uc778 \uc815\ub9ac<\/a>\uc5d0 \uc758\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uad00\uacc4\uac00 \uc131\ub9bd\ud55c\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[\frac{\sin\alpha}{a} = \frac{\sin\beta}{b} = \frac{\sin\gamma}{l}\]\"<\/p><\/p>\n\n\n\n

\ub530\ub77c\uc11c \"a\"\uc640 \"b\"\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ a= \frac{\sin\alpha}{\sin\gamma}\ l\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ b = \frac{\sin\beta}{\sin\gamma}\ l\]\"<\/p><\/p>\n\n\n\n

\ub530\ub77c\uc11c \"d\"\ub97c \"\alpha\"\ub97c \uc774\uc6a9\ud558\uc5ec \ud45c\uc2dc\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ d = b \sin\alpha = \frac{\sin\alpha \sin \beta}{\sin\gamma}\ l \]\"<\/p><\/p>\n\n\n\n

\"\sin(180^{\circ} - (\alpha + \beta)) = \sin(\alpha + \beta)\"\uc778 \uad00\uacc4\uac00 \uc131\ub9bd\ud558\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ d = \frac{\sin \alpha \sin \beta}{\sin(\alpha + \beta)}\ l\]\"<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

[\uc774 \uae00\uc740 \uac15\uc758\ub97c \uc704\ud55c \uac1c\ub7b5\uc801\uc778 \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4] \uc0bc\uac01\ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \uae38\uc774\ub97c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc0bc\uac01\uce21\ub7c9\uc774\ub77c\uace0 \ud55c\ub2e4. \uac15 \uac74\ub108\ud3b8\uc5d0 \uc788\ub294 C\uc810 \uae4c\uc9c0\uc758 \uc218\uc9c1 \uac70\ub9ac \ub97c \uad6c\ud574\ubcf4\uc790. \uac15 \ud55c\ud3b8\uc5d0\uc11c A \uc640 B\uc758 \ub450 \uc810\uc744 \uc7a1\uace0 \uac70\ub9ac\ub97c \uce21\uc815\ud558\uac00 \uadf8 \uac12\uc774 \uc774\ub77c\uace0 \ud558\uc790. C\uc640 \uc5d0 … \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":[37],"tags":[59,60],"class_list":["post-833","post","type-post","status-publish","format-standard","hentry","category-37","tag-59","tag-60"],"_links":{"self":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/833","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=833"}],"version-history":[{"count":21,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/833\/revisions"}],"predecessor-version":[{"id":888,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/833\/revisions\/888"}],"wp:attachment":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}