{"id":640,"date":"2025-10-24T07:13:30","date_gmt":"2025-10-24T07:13:30","guid":{"rendered":"http:\/\/saegil-lab.kr\/?p=640"},"modified":"2025-11-21T17:28:56","modified_gmt":"2025-11-21T08:28:56","slug":"%ea%b0%81%eb%8f%84-%eb%8f%84%cb%9a%ec%99%80-%eb%9d%bc%eb%94%94%ec%95%88radian","status":"publish","type":"post","link":"https:\/\/saegil-lab.kr\/?p=640","title":{"rendered":"\uac01\ub3c4 \ub3c4(\u02da)\uc640 \ub77c\ub514\uc548(radian)"},"content":{"rendered":"
\n
\"\"<\/figure>\n<\/div>\n\n\n

\uc6b0\ub9ac\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac01\ub3c4\ub294 \ub3c4(degree, \uae30\ud638\ub294 \u02da)\ub294 \ud55c \uc810\uc5d0\uc11c \ud55c\ubc14\ud034 \ub3cc\ub9b0 \uc6d0\uc744 360\ub4f1\ubd84\uc73c\ub85c \ub098\ub204\uc5b4 \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4. \ud55c \ubc14\ud034\ub97c \uc65c 360\uac1c\ub85c \ub098\ub204\uc5c8\uc744\uae4c \uc0dd\uac01\ud574\ubcf4\uba74 \uc61b\ubd80\ud130 \ubc14\ub77c\ubcf4\ub358 \ubcc4\uc5d0\uc11c \uc720\ub798\ub418\uc5c8\uc744 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4. \ubcc4\uc774 1\ub144(\uc57d 365\uc77c)\ub3d9\uc548 \ubcc4\uc774 \uc774\ub3d9\ud558\uc5ec \uc6d0\ub798\ub85c \ub3cc\uc544\uc624\ub294 \uac83\uc774 \ub300\ub7b5 360\uc77c \uc9c0\ub098\uba74 \ub2e4\uc2dc \ub3cc\uc544\uc624\ub294 \uac83\uc5d0\uc11c \uc2dc\uc791\ub418\uc5c8\uc744 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4. <\/p>\n\n\n\n

\ub77c\ub514\uc548(radian)\uc758 \uc815\uc758<\/p>\n\n\n

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

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

\ubc18\uc9c0\ub984\uc774 \"r\"\uc778 \uc6d0\uc758 \ud638 AB\uc758 \uae38\uc774\uac00 \"l\"\uc744 \uc774\ub8e8\ub294 \uac01\uc744 \"\theta\"\ub77c\uace0 \ud558\uba74 \"\theta\"\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ud55c\ub2e4.<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[ \theta = \frac{l}{r}\]\"<\/p><\/p>\n\n\n\n

\"\theta\"\ub294 \ud638\uc758 \uae38\uc774\ub97c \ubc18\uc9c0\ub984\uc73c\ub85c \ub098\ub208 \uac12\uc73c\ub85c \ub2e8\uc704 \ucc28\uc6d0\uc774 0\uc778 \uc22b\uc790\uc774\ub2e4. \uadf8\ub9ac\uace0 \ub2e8\uc704\ub294 radian\uc73c\ub85c \uc904\uc5ec\uc11c rad\ub85c \ud45c\uc2dc\ud55c\ub2e4.<\/p>\n\n\n\n

\ud2b9\uc218 \uac01\uc758 \ub77c\ub514\uc548<\/p>\n\n\n\n

  <\/span>   <\/span>\"\[360^{\circ} = \frac{2\pi r}{r} = 2\pi\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[180^{\circ} = \frac{\pi r}{r} = \pi\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[90^{\circ} = \frac{180^\circ}{2} = \frac{\pi}{2}\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[60^{\circ} = \frac{180^\circ}{3} = \frac{\pi}{3}\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[45^{\circ} = \frac{90^\circ}{2} = \frac{\pi}{4}\]\"<\/p><\/p>\n\n\n\n

  <\/span>   <\/span>\"\[30^{\circ} = \frac{60^\circ}{2} = \frac{\pi}{6}\]\"<\/p><\/p>\n\n\n\n

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

\uc5d1\uc140 \ub4f1\uc758 \uc2a4\ud504\ub808\ub4dc\uc2dc\ud2b8\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 sin(), cos(), tan()\ub4f1\uc758 \uc0bc\uac01\ud568\uc218\uc5d0\ub294 \ubc18\ub4dc\uc2dc \ub77c\ub514\uc548 \uac12\uc73c\ub85c \ub123\uc5b4\uc57c\ub9cc \uc815\ud655\ud55c \uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc74c\uc5d0 \uc8fc\uc758 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc608\ub97c \ub4e4\uc5b4 30\u00ba\uc758 sin\uac12\uc744 \uacc4\uc0b0\ud560 \uacbd\uc6b0 \uc5d1\uc140\uc5d0\uc11c ‘=sin(30)’\uc73c\ub85c \ub123\uc73c\uba74 -0.98803\uc774 \ub098\uc624\uc9c0\ub9cc ‘=sin(pi()\/6)’\uc73c\ub85c \uc785\ub825\ud558\uba74 \uc815\ud655\ud55c \uac12\uc778 0.5\uac00 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc6b0\ub9ac\uac00 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uac01\ub3c4\ub294 \ub3c4(degree, \uae30\ud638\ub294 \u02da)\ub294 \ud55c \uc810\uc5d0\uc11c \ud55c\ubc14\ud034 \ub3cc\ub9b0 \uc6d0\uc744 360\ub4f1\ubd84\uc73c\ub85c \ub098\ub204\uc5b4 \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4. \ud55c \ubc14\ud034\ub97c \uc65c 360\uac1c\ub85c \ub098\ub204\uc5c8\uc744\uae4c \uc0dd\uac01\ud574\ubcf4\uba74 \uc61b\ubd80\ud130 \ubc14\ub77c\ubcf4\ub358 \ubcc4\uc5d0\uc11c \uc720\ub798\ub418\uc5c8\uc744 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4. \ubcc4\uc774 1\ub144(\uc57d 365\uc77c)\ub3d9\uc548 \ubcc4\uc774 \uc774\ub3d9\ud558\uc5ec \uc6d0\ub798\ub85c \ub3cc\uc544\uc624\ub294 \uac83\uc774 \ub300\ub7b5 360\uc77c \uc9c0\ub098\uba74 \ub2e4\uc2dc … \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":[41,42,43],"class_list":["post-640","post","type-post","status-publish","format-standard","hentry","category-13","tag-deg","tag-rad","tag-radian"],"_links":{"self":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/640","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=640"}],"version-history":[{"count":14,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/640\/revisions"}],"predecessor-version":[{"id":969,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=\/wp\/v2\/posts\/640\/revisions\/969"}],"wp:attachment":[{"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/saegil-lab.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}