{"id":127,"date":"2023-07-16T18:00:34","date_gmt":"2023-07-16T18:00:34","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e4%b8%89%e8%a7%92%e6%af%94\/"},"modified":"2023-07-16T18:00:34","modified_gmt":"2023-07-16T18:00:34","slug":"%e4%b8%89%e8%a7%92%e6%af%94","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e4%b8%89%e8%a7%92%e6%af%94\/","title":{"rendered":"\u4e09\u89d2\u6bd4\u3068\u306f\u4f55\u3067\u3059\u304b?"},"content":{"rendered":"<p><strong>\u89d2\u5ea6\u306e\u4e09\u89d2\u6bd4\u306f\u3001<\/strong>\u76f4\u89d2\u4e09\u89d2\u5f62\u306e 3 \u3064\u306e\u8fba\u304b\u3089\u5f97\u3089\u308c\u308b\u6bd4\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u305d\u306e\u4e09\u8fba\u3092\u5546\uff08\u5272\u308a\u7b97\uff09\u3067\u6bd4\u8f03\u3057\u305f\u7d50\u679c\u306e\u5024\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u7406\u7531\u306f\u76f4\u89d2\u4e09\u89d2\u5f62\uff08\u89d2\u5ea6\u304c 90 \u5ea6\u306e\u4e09\u89d2\u5f62\uff09\u306b\u306e\u307f\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span id=\"Razones_trigonometricas_en_un_triangulo_rectangulo\">\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u4e09\u89d2\u6bd4<\/span><\/h2>\n<p>\u6700\u3082\u91cd\u8981\u306a 6 \u3064\u306e\u4e09\u89d2\u6bd4\u306f\u3001\u30b5\u30a4\u30f3\u3001\u30b3\u30b5\u30a4\u30f3\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u3001\u30b3\u30bb\u30ab\u30f3\u30c8\u3001\u30bb\u30ab\u30f3\u30c8\u3001\u30b3\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u3067\u3059\u3002\u6b21\u306b\u3001\u3053\u308c\u3089\u306e\u305d\u308c\u305e\u308c\u306e\u7406\u7531\u304c\u3069\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u304b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3001\u305d\u308c\u3089\u3092\u7279\u5fb4\u4ed8\u3051\u308b\u5f0f\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8aac\u660e\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u76f4\u89d2\u4e09\u89d2\u5f62\u3092\u8003\u616e\u3057\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"319\" height=\"248\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/triangle-rectangle.webp\" data-src=\"\" alt=\"\u4e09\u89d2\u5f62\u3001\u9577\u65b9\u5f62\" class=\"wp-image-7379 lazyload\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\">\u80f8<\/h3>\n<p>\u89d2\u5ea6\u306e\u6b63\u5f26 (sin \u307e\u305f\u306f sin) \u306f\u3001\u659c\u8fba (c) \u9593\u306e\u53cd\u5bfe\u5074\u306e\u811a (a) \u306e\u5546\u306b\u7b49\u3057\u3044\u305f\u3081\u3001\u6b63\u5f26\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059: <strong>sin (\u03b1) = a \/ c<\/strong> \u3002\u30b5\u30a4\u30f3\u306e\u5b9a\u7fa9\u3092\u77e5\u308b\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30b5\u30a4\u30f3\u306f\u3059\u3079\u3066\u306e\u4e09\u89d2\u6cd5\u306e\u57fa\u790e\u3067\u3042\u308a\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u8aac\u660e\u3059\u308b\u4ed6\u306e\u7406\u7531\u3082\u540c\u69d8\u3067\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"322\" height=\"324\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/formule-sinusoidale.webp\" data-src=\"\" alt=\"\u6b63\u5f26\u6ce2\u306e\u516c\u5f0f\" class=\"wp-image-7382 lazyload\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u30c8\u30e9\u30f4<mark class=\"has-inline-color\" style=\"background-color: rgba(0, 0, 0, 0);\">\u3053\u308c\u306f\u6b63\u5f26\u5b9a\u7406\u306b\u57fa\u3065\u3044\u3066\u304a\u308a\u3001<strong>\u4e09\u89d2\u5f62\u306e\u4efb\u610f\u306e\u8fba<\/strong>\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u8fba\u9593\u306e\u7279\u5b9a\u306e\u89d2\u5ea6\u306e\u5546\u3092\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u8fba a \u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u89d2\u5ea6 A \u3068 B \u306b\u3088\u308b\u8fba\u306e\u5024\u304c\u3042\u308b\u5834\u5408\u3001\u6b21\u306e\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059: <strong>a \/ sin (A) = b \/ sin (B)<\/strong> \u3002\u3053\u306e\u5358\u7d14\u306a\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3053\u3068\u3067\u3001\u8a08\u7b97\u3057\u305f\u3044\u5909\u6570\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/mark><\/p>\n<h3 class=\"wp-block-heading\">\u4f59\u5f26<\/h3>\n<p>\u89d2\u5ea6\u306e\u4f59\u5f26 (cos) \u306f\u659c\u8fba (c) \u9593\u306e\u96a3\u63a5\u3059\u308b\u811a (b) \u306e\u5546\u306b\u7b49\u3057\u3044\u305f\u3081\u3001\u4f59\u5f26\u306e\u516c\u5f0f\u306f<strong>cos (\u03b1) = b \/ c<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u5f0f\u306f\u3001\u8abf\u67fb\u3057\u305f\u3044\u89d2\u5ea6 (\u3053\u306e\u4f8b\u3067\u306f\u89d2\u5ea6 A \u307e\u305f\u306f \u03b1) \u306b\u63a5\u3059\u308b\u4e09\u89d2\u5f62\u306e 2 \u3064\u306e\u8fba\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"302\" height=\"297\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/formule-cosinus.webp\" data-src=\"\" alt=\"\u30b3\u30b5\u30a4\u30f3\u306e\u516c\u5f0f\" class=\"wp-image-7385 lazyload\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u30b3\u30b5\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b3\u30b5\u30a4\u30f3\u5b9a\u7406\u306b\u57fa\u3065\u3044\u3066<strong>\u4e09\u89d2\u5f62\u306e\u8fba\u3092<\/strong>\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u8fba\u3092\u89d2\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u6b21\u306e 3 \u3064\u306e\u5f0f\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"> a\u00b2 = b\u00b2 + c\u00b2 \u2013 2bc cos (A)<\/p>\n<p class=\"has-text-align-center\"> b\u00b2 = a\u00b2 + c\u00b2 \u2013 2ac cos (B)<\/p>\n<p class=\"has-text-align-center\"> c\u00b2 = a\u00b2 + b\u00b2 \u2013 2ab cos (C)<\/p>\n<h3 class=\"wp-block-heading\">\u6b63\u63a5<\/h3>\n<p>3 \u756a\u76ee\u306b\u91cd\u8981\u306a\u7406\u7531\u306f\u3001\u3053\u308c\u3067\u4e00\u9023\u306e\u5143\u306e\u7406\u7531\u3092\u7d42\u4e86\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8 (tan \u307e\u305f\u306f tg) \u3067\u3059\u3002\u3053\u308c\u306f\u3001\u53cd\u5bfe\u5074\u306e\u811a (a) \u3068\u96a3\u63a5\u3059\u308b\u811a (b) \u306e\u9593\u3067\u9664\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u8a08\u7b97\u3055\u308c\u308b\u305f\u3081\u3001\u63a5\u7dda\u306e\u516c\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059: <strong>Tan (\u03b1) = a \/ b<\/strong> \u3002\u4ee5\u4e0b\u306b\u30b0\u30e9\u30d5\u3067\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"297\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/formule-tangente.webp\" data-src=\"\" alt=\"\u63a5\u7dda\u306e\u516c\u5f0f\" class=\"wp-image-7386 lazyload\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u306b\u306f\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u5b9a\u7406\u3068\u547c\u3070\u308c\u308b\u72ec\u81ea\u306e\u5b9a\u7406\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001<strong>\u4e09\u89d2\u5f62\u306e 2 \u3064\u306e\u8fba<\/strong>\u306e\u9577\u3055\u3092<strong>\u89d2\u5ea6\u306e\u63a5\u7dda<\/strong>\u3068\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002\u300c2 \u3064\u306e\u8fba\u306e\u6e1b\u7b97\u306e\u5546\u306f\u3001\u3053\u308c\u3089\u306e\u8fba\u306b\u5bfe\u5411\u3059\u308b 2 \u3064\u306e\u89d2\u5ea6\u306e\u5e73\u5747\u306e\u6b63\u63a5\u3068\u3001\u305d\u308c\u3089\u306e\u5dee\u306e\u534a\u5206\u306e\u6b63\u63a5\u3068\u306e\u5546\u306b\u7b49\u3057\u3044\u3002\u300d<\/p>\n<h3 class=\"wp-block-heading\">\u4e09\u89d2\u6bd4\u306e\u5c0e\u51fa<\/h3>\n<p>\u4eca\u8aac\u660e\u3057\u305f 3 \u3064\u306e\u4e09\u89d2\u6bd4\u304b\u3089\u3001\u4ed6\u306e\u5c0e\u51fa\u4e09\u89d2\u6bd4\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30b5\u30a4\u30f3\u3001\u30b3\u30b5\u30a4\u30f3\u3001\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u306e\u9006\u6bd4\u3092\u3068\u308b\u3053\u3068\u3067\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b3\u30bb\u30ab\u30f3\u30c8:<\/strong>\u30b5\u30a4\u30f3\u306e\u9006\u6bd4\u3067\u3042\u308a\u3001\u6b21\u306e\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059: cosec (\u03b1) = c \/ a \u304a\u3088\u3073 cosec (\u03b1) = 1 \/ sin (\u03b1)\u3002<\/li>\n<li><strong>\u30bb\u30ab\u30f3\u30c8:<\/strong>\u30b3\u30b5\u30a4\u30f3\u306e\u9006\u6bd4\u3067\u3001\u6b21\u306e\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059: sec (\u03b1) = c \/ b \u304a\u3088\u3073 sec (\u03b1) = 1 \/ cos (\u03b1)\u3002<\/li>\n<li><strong>\u30b3\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8:<\/strong>\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\u306e\u9006\u6bd4\u3067\u3001\u516c\u5f0f: cotg (\u03b1) = b \/ a \u304a\u3088\u3073 cotg (\u03b1) = 1 \/ Tan (\u03b1) \u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span id=\"Tabla_de_razones_trigonometricas\">\u4e09\u89d2\u6bd4\u8868<\/span><\/h2>\n<p>\u4ee5\u4e0b\u306b\u3001\u3053\u308c\u307e\u3067\u8aac\u660e\u3057\u305f\u3059\u3079\u3066\u306e\u7406\u7531\u3092\u307e\u3068\u3081\u305f\u8868\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u8868\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5404\u6570\u5f0f\u306e\u9055\u3044\u3092\u7c21\u5358\u306b\u533a\u5225\u3067\u304d\u308b\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u516c\u5f0f\u3092\u52b9\u679c\u7684\u306b\u899a\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"192\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/tableau-des-rapports-trigonometriques.webp\" data-src=\"\" alt=\"\u4e09\u89d2\u6bd4\u8868\" class=\"wp-image-7388 lazyload\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><span id=\"Razones_trigonometricas_en_una_circunferencia\">\u5186\u306e\u4e2d\u306e\u4e09\u89d2\u6bd4<\/span><\/h2>\n<p>\u4e09\u89d2\u6cd5\u3092\u7814\u7a76\u3059\u308b\u3082\u3046 1 \u3064\u306e\u65b9\u6cd5\u306f\u3001<strong>\u30b4\u30cb\u30aa\u30e1\u30c8\u30ea\u30c3\u30af\u5186\u5468<\/strong>\u307e\u305f\u306f<strong>\u5358\u4f4d\u5186<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5186\u5468\u306e\u534a\u5f84\u306f 1 \u3067\u3001\u539f\u70b9\u306f\u70b9 (0, 0) \u3067\u3059\u3002\u3053\u306e\u56f3\u306f\u5186\u3068\u305d\u306e\u5186\u306e\u5185\u5074\u306b\u63cf\u304b\u308c\u305f\u76f4\u89d2\u4e09\u89d2\u5f62\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f\u3001\u3053\u308c\u304b\u3089\u7814\u7a76\u3059\u308b\u89d2\u5ea6\u304c\u539f\u70b9\u306b\u89e6\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"436\" height=\"436\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/circonference-goniometrique.webp\" data-src=\"\" alt=\"\u30b4\u30cb\u30aa\u30e1\u30c8\u30ea\u30c3\u30af\u5186\u5468\" class=\"wp-image-7389 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Circunferencia-goniometrica.png 436w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Circunferencia-goniometrica-300x300.png 300w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u3053\u306e\u753b\u50cf\u304c\u3042\u308b\u3068\u304d\u3001\u534a\u5f84\u304c\u659c\u8fba\u306b\u7b49\u3057\u3044\u3001\u3064\u307e\u308a 1 \u306b\u7b49\u3057\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b5\u30a4\u30f3\u3068\u30b3\u30b5\u30a4\u30f3\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u534a\u5f84\u306e\u5024\u3068\u3001\u305d\u306e\u53cd\u5bfe\u5074\u306e\u5024\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4e09\u89d2\u5f62\u3002\u30b5\u30a4\u30f3\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059: <strong>sin (A) = CD \/ AC = CD \/ radius = CD \/ 1 = CD<\/strong>\u3057\u305f\u304c\u3063\u3066\u3001A \u306e\u30b5\u30a4\u30f3\u306f a \u3067\u3059\u3002\u4e00\u65b9\u3001\u30b3\u30b5\u30a4\u30f3\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001 <strong>cos (A) = AD \/ AC = AD \/ radius = AD \/ 1 = AD \u3068\u3044\u3046<\/strong>\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001A \u306e\u30b3\u30b5\u30a4\u30f3\u306f c1 \u3067\u3059\u3002<\/p>\n<p> 2 \u3064\u306e\u3053\u3068\u306b\u7559\u610f\u3059\u308b\u3053\u3068\u304c\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002 1 \u3064\u76ee\u306f\u3001\u4e09\u89d2\u6bd4\u306e\u7814\u7a76\u3067\u3053\u306e\u5186\u304c\u4f7f\u7528\u3055\u308c\u308b\u306e\u306f\u3001\u4e09\u89d2\u5f62\u3067\u7814\u7a76\u3067\u304d\u308b\u89d2\u5ea6\u3088\u308a\u3082<strong>\u5927\u304d\u306a\u89d2\u5ea6\u3092<\/strong>\u6271\u3046\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001150 \u5ea6\u306e\u89d2\u5ea6\u306f\u5927\u304d\u3059\u304e\u308b\u305f\u3081\u3001\u5358\u7d14\u306a\u4e09\u89d2\u5f62\u3067\u306f\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002 2 \u756a\u76ee\u306b\u7559\u610f\u3059\u3079\u304d\u3053\u3068\u306f\u3001\u30b5\u30a4\u30f3\u3068\u30b3\u30b5\u30a4\u30f3\u306f 1 \u3088\u308a\u5927\u304d\u304f -1 \u3088\u308a\u5c0f\u3055\u3044\u5024\u3092\u6c7a\u3057\u3066\u63a1\u7528\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u4e09\u89d2\u6bd4\u306e\u7b26\u53f7<\/h3>\n<p>\u524d\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001\u4e09\u89d2\u5f62\u3067\u51e6\u7406\u3067\u304d\u308b\u3088\u308a\u5927\u304d\u306a\u89d2\u5ea6\u3092\u51e6\u7406\u3059\u308b\u306b\u306f\u3001\u30b4\u30cb\u30aa\u30e1\u30c8\u30ea\u30c3\u30af\u5186\u5468\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u5186\u5468\u3092\u5206\u5272\u3059\u308b<strong>4 \u3064\u306e\u8c61\u9650<\/strong>\u306e 1 \u3064\u3067\u3001\u5186\u306e\u5185\u5074\u306e\u4e09\u89d2\u5f62\u3092\u6b63\u78ba\u306b\u8868\u3057\u307e\u3059\u3002\u6b21\u306e\u56f3\u3067\u306f\u30014 \u3064\u306e\u8c61\u9650\u304c\u8868\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"467\" height=\"470\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/quadrants-de-la-circonference-goniometrique.webp\" data-src=\"\" alt=\"\u30b4\u30cb\u30aa\u30e1\u30c8\u30ea\u30c3\u30af\u5186\u5468\u306e\u56db\u5206\u5186\" class=\"wp-image-7392 lazyload\" srcset=\"\" sizes=\"auto, \"><figcaption class=\"wp-element-caption\"> 4 \u3064\u306e\u8c61\u9650\u306e\u4f8b<\/figcaption><\/figure>\n<\/div>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u540c\u3058\u306b\u306a\u308b 30 \u306e\u89d2\u5ea6\u3068 210 \u306e\u89d2\u5ea6\u3092\u533a\u5225\u3059\u308b\u306b\u306f<mark class=\"has-inline-color\" style=\"background-color: rgba(0, 0, 0, 0);\">\u4e09\u89d2\u5f62\u5185\u306e\u5206\u5e03\u306b\u3064\u3044\u3066<\/mark>\u3067\u306f\u3001\u4e09\u89d2\u5f62\u304c\u4f4d\u7f6e\u3059\u308b\u8c61\u9650\u306b\u5fdc\u3058\u305f<strong>\u7b26\u53f7\u306e\u5206\u5e03<\/strong>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u5404\u8c61\u9650\u306b\u5bfe\u5fdc\u3059\u308b\u8a18\u53f7\u3068\u63cf\u753b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"463\" height=\"465\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/signes-quadrants-de-la-circonference.webp\" data-src=\"\" alt=\"\u5468\u56f2\u306e\u8c61\u9650\u6a19\u8b58\" class=\"wp-image-7394 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Signos-cuadrante-de-la-circunferencia.png 463w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Signos-cuadrante-de-la-circunferencia-300x300.png 300w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001\u89d2\u5ea6 30 \u5ea6\u3068 210 \u5ea6\u306f<strong>\u540c\u3058\u6570\u5024<\/strong>\u3092\u5171\u6709\u3057\u307e\u3059\u304c\u3001\u305d\u308c\u3089\u306e\u30b5\u30a4\u30f3\u3068\u30b3\u30b5\u30a4\u30f3\u306f\u53cd\u5bfe\u306e\u7b26\u53f7\u3092\u6301\u3061\u307e\u3059\u3002\u3064\u307e\u308a\u3001sin(30) = 1\/2 \u304a\u3088\u3073 cos(30) = \u221a3\/2\u3001\u4e00\u65b9\u3001sin(210) = -1\/2 \u304a\u3088\u3073 cos(210) = -\u221a3\/2 \u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u7d50\u679c\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u3001\u5186\u5468\u4e0a\u306e 2 \u3064\u306e\u89d2\u5ea6\u3092\u8868\u3057 (\u4e0b\u306e\u753b\u50cf)\u3001\u6a19\u8b58\u306e\u6307\u793a\u306b\u5f93\u3044\u307e\u3057\u305f\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"459\" height=\"461\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/exemple-de-representation-dun-angle.webp\" data-src=\"\" alt=\"\u89d2\u5ea6\u306e\u8868\u73fe\u4f8b\" class=\"wp-image-7393 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Ejemplo-de-representacion-de-un-angulo.png 459w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Ejemplo-de-representacion-de-un-angulo-300x300.png 300w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u6700\u5f8c\u306b\u3001<strong>\u5186\u5468\u304c 360 \u5ea6\u3057\u304b\u306a\u3044\u305f\u3081<\/strong>\u3001\u305d\u3046\u306f\u601d\u3048\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001360 \u5ea6\u3092\u8d85\u3048\u308b\u89d2\u5ea6\u3092\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u8a2d\u5b9a\u3067\u304d\u308b\u304b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001750 \u5ea6\u306e\u89d2\u5ea6\u3092\u89e3\u6c7a\u3057\u305f\u3044\u5834\u5408\u306f\u30010 \u5ea6\u304b\u3089 360 \u5ea6\u307e\u3067\u306e\u89d2\u5ea6\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5358\u7d14\u306b 750 \u3092 360 \u3067\u5272\u308b\u3068\u3001\u4f59\u308a\u304c\u6b8b\u308a\u306e\u89d2\u5ea6\u306b\u306a\u308a\u307e\u3059\u3002750 \u5ea6\u306e\u5834\u5408\u3001\u89d2\u5ea6\u306f 30 \u5ea6\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u8c61\u9650\u306b\u5fdc\u3058\u305f\u89d2\u5ea6\u306e\u7a2e\u985e<\/h3>\n<p>\u7570\u306a\u308b\u89d2\u5ea6\u306e\u9593\u306b\u306f\u95a2\u4fc2\u304c\u3042\u308b\u305f\u3081\u3001\u6bd4\u7387\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<mark class=\"has-inline-color\" style=\"background-color: rgba(0, 0, 0, 0);\">\u5186\u306b\u5c5e\u3059\u308b\u3059\u3079\u3066\u306e\u89d2\u5ea6\u306e\u4e09\u89d2\u95a2\u6570\u306e\u5024\u3002\u3053\u308c\u3089\u306e\u7406\u7531\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046<\/mark><strong>\u7b2c 1 \u8c61\u9650\u3078\u306e\u7e2e\u5c0f<\/strong>\u3002\u3053\u308c\u306f\u3001\u7279\u5b9a\u306e\u89d2\u5ea6\u304b\u3089\u7b2c 1 \u8c61\u9650\u307e\u3067\u3092\u5358\u7d14\u5316\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u7b26\u53f7\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u624b\u9806\u3092\u8aac\u660e\u3057\u307e\u3059 (\u8c61\u9650\u306b\u5fdc\u3058\u3066)\u3002<\/p>\n<h4 class=\"wp-block-heading\">\u7b2c\u4e00\u8c61\u9650<\/h4>\n<p>\u3053\u306e<strong>\u7b2c 1 \u8c61\u9650 (0\u00b0 \u2013 90\u00b0) \u3067\u306f\u3001<\/strong>\u4e0e\u3048\u3089\u308c\u305f\u89d2\u5ea6\u3067\u4e09\u89d2\u6bd4\u3092\u89e3\u304f\u3060\u3051\u3067\u6e08\u307f\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u5148\u307b\u3069\u8a18\u53f7\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u305f\u4e21\u65b9\u306e\u56f3\u3092\u898b\u308b\u3068\u3001\u30b5\u30a4\u30f3\u3068\u30b3\u30b5\u30a4\u30f3\u306e\u524d\u306b\u6b63\u306e\u5024\u304c\u4ed8\u3044\u3066\u3044\u307e\u3059 (\u5f97\u3089\u308c\u308b\u7d50\u679c\u306f\u7b26\u53f7\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093)\u3002<\/p>\n<h4 class=\"wp-block-heading\">\u7b2c 2 \u8c61\u9650\u304b\u3089\u7b2c 1 \u8c61\u9650\u3078\u306e\u7e2e\u5c0f<\/h4>\n<p><strong>\u7b2c 2 \u8c61\u9650 (90 \u5ea6 \u2013 180 \u5ea6)<\/strong>\u3067\u306f\u88dc\u89d2\u3092\u6271\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u30012 \u3064\u306e\u89d2\u5ea6\u306e\u5408\u8a08\u304c 180 \u5ea6\u306b\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u7b2c 2 \u8c61\u9650\u304b\u3089\u7b2c 1 \u8c61\u9650\u3078\u306e\u7e2e\u5c0f\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u3001\u5f0f 180 \u2013 \u03b1 = <em>\u03b2<\/em>\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u03b1 \u306f\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\u3001 <em>\u03b2<\/em>\u306f\u5143\u306e\u89d2\u5ea6\u3067\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"518\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/angles-du-premier-quadrant.webp\" data-src=\"\" alt=\"\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\" class=\"wp-image-7399 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Angulos-del-primer-cuadrante.png 792w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Angulos-del-primer-cuadrante-500x327.png 500w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Angulos-del-primer-cuadrante-768x502.png 768w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001\u89d2\u5ea6 135\u00b0 (\u7b2c 2 \u8c61\u9650\u306b\u5c5e\u3059\u308b) \u304c\u4e0e\u3048\u3089\u308c\u305f\u5834\u5408\u3001\u6700\u521d\u306b\u3053\u308c\u306b\u95a2\u9023\u3059\u308b\u7b2c 1 \u8c61\u9650\u304b\u3089\u306e\u89d2\u5ea6\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001180 \u2013 45 = 135 \u3067\u3042\u308b\u305f\u3081\u3001\u63a2\u3057\u3066\u3044\u308b\u89d2\u5ea6 (\u03b1) \u306f 45 \u5ea6\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b21\u306e\u3053\u3068\u304c\u5f53\u3066\u306f\u307e\u308a\u307e\u3059: sin (135) = sin (180 \u2013 45) = sin (45), cos (135) ) = cos (180 \u2013 45) = -cos (45) \u304a\u3088\u3073 Tan (135) = Tan (180 \u2013 45) = -tan (45)\u3002<\/p>\n<h4 class=\"wp-block-heading\">\u7b2c 3 \u8c61\u9650\u3092\u7b2c 1 \u8c61\u9650\u306b\u7e2e\u5c0f<\/h4>\n<p><strong>\u7b2c 3 \u8c61\u9650 (180 \u5ea6 \u2013 270 \u5ea6)<\/strong>\u3067\u306f\u300180 \u5ea6\u7570\u306a\u308b\u89d2\u5ea6\u3092\u6271\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u89d2\u5ea6\u304c 180 \u5ea6\u96e2\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u7b2c 3 \u8c61\u9650\u304b\u3089\u7b2c 1 \u8c61\u9650\u306b\u7e2e\u5c0f\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5f0f 180 + \u03b1 = <em>\u03b2<\/em>\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u03b1 \u306f\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\u3001 <em>\u03b2<\/em>\u306f\u5143\u306e\u89d2\u5ea6\u3067\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"697\" height=\"451\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/reduction-du-troisieme-quadrant-au-premier.webp\" data-src=\"\" alt=\"\u7b2c 3 \u8c61\u9650\u3092\u7b2c 1 \u8c61\u9650\u306b\u7e2e\u5c0f\" class=\"wp-image-7400 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Reduccion-del-tercer-cuadrante-al-primero.png 697w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/02\/Reduccion-del-tercer-cuadrante-al-primero-500x324.png 500w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001\u89d2\u5ea6 225\u00b0 (\u7b2c 3 \u8c61\u9650\u306b\u5c5e\u3059\u308b) \u304c\u4e0e\u3048\u3089\u308c\u305f\u5834\u5408\u3001\u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 225 \u5ea6\u306e\u5834\u5408\u3001180 + 45 = 225 \u306a\u306e\u3067\u3001\u63a2\u3057\u3066\u3044\u308b\u89d2\u5ea6 (\u03b1) \u306f\u3084\u306f\u308a 45 \u5ea6\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001sin (225) = sin (180 + 45) = -sin (45), cos (225) =cos(180+45)=-cos(45)\u3001tan(225)=tan(180+45)=tan(45)\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002 \uff09\u3002<\/p>\n<h4 class=\"wp-block-heading\">\u7b2c 4 \u8c61\u9650\u3092\u7b2c 1 \u8c61\u9650\u306b\u7e2e\u5c0f<\/h4>\n<p><strong>\u7b2c 4 \u8c61\u9650 (270 \u5ea6 \u2013 360 \u5ea6)<\/strong>\u3067\u306f\u3001\u53cd\u5bfe\u306e\u89d2\u5ea6\u3092\u6271\u3044\u307e\u3059\u3002<mark class=\"has-inline-color\" style=\"background-color: rgba(0, 0, 0, 0);\">\u3053\u308c\u306f\u3001\u89d2\u5ea6\u304c\u6570\u5024\u7684\u306b\u306f\u7b49\u3057\u3044\u304c\u3001\u7b26\u53f7\u304c\u53cd\u5bfe\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/mark> \u3001<mark class=\"has-inline-color\" style=\"background-color: rgba(0, 0, 0, 0);\"> 30\u00b0 \u3068 -30\u00b0 \u306a\u3069 (360\u00b0 \u2013 30\u00b0 = 330\u00b0 \u3067\u3042\u308b\u305f\u3081\u3001330\u00b0 \u306b\u76f8\u5f53)<\/mark> \u3002\u53cd\u5bfe\u306e\u89d2\u5ea6\u306f\u3001\u6b63\u306e\u89d2\u5ea6\u3068\u8ca0\u306e\u89d2\u5ea6\u3001\u307e\u305f\u306f 2 \u3064\u306e\u6b63\u306e\u89d2\u5ea6\u3068\u3057\u3066\u8a18\u8ff0\u3067\u304d\u308b\u3053\u3068\u306b\u7559\u610f\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059 (\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u4f8b\u3067\u9055\u3044\u3092\u8aac\u660e\u3057\u307e\u3057\u305f)\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u7b2c 4 \u8c61\u9650\u304b\u3089\u7b2c 1 \u8c61\u9650\u3078\u306e\u7e2e\u5c0f\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u5f0f 360 \u2013 \u03b1 = <em>\u03b2<\/em>\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u3001\u03b1 \u306f\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\u3001 <em>\u03b2<\/em>\u306f\u5143\u306e\u89d2\u5ea6\u3067\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"708\" height=\"440\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/reduction-du-quatrieme-quadrant-au-premier.webp\" data-src=\"\" alt=\"\u7b2c 4 \u8c61\u9650\u3092\u7b2c 1 \u8c61\u9650\u306b\u7e2e\u5c0f\" class=\"wp-image-7402 lazyload\" data-srcset=\"https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/03\/Reduccion-del-cuarto-cuadrante-al-primero.png 708w, https:\/\/micalculadoracientifica.com\/wp-content\/uploads\/2022\/03\/Reduccion-del-cuarto-cuadrante-al-primero-500x311.png 500w\" sizes=\"auto, \" srcset=\"\"><\/figure>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001\u89d2\u5ea6 315\u00b0 (\u7b2c 4 \u8c61\u9650\u306b\u5c5e\u3059\u308b) \u304c\u4e0e\u3048\u3089\u308c\u305f\u5834\u5408\u3001\u6700\u521d\u306b\u3053\u308c\u306b\u95a2\u9023\u3059\u308b\u7b2c 1 \u8c61\u9650\u306e\u89d2\u5ea6\u3092\u898b\u3064\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a2\u3057\u3066\u3044\u308b\u89d2\u5ea6 (\u03b1) \u306e\u5834\u5408\u3001360 \u2013 45 = 315 \u3067\u3042\u308b\u305f\u3081\u3001\u307e\u3060 45 \u5ea6\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001sin (315) = sin (360 \u2013 45) = -sin (45), cos ( 315 ) = cos (360 \u2013 45) = cos (45) \u304a\u3088\u3073 Tan (315) = Tan (360 \u2013 45) = -tan (45)\u3002\u7d50\u8ad6\u3068\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u8c61\u9650\u306e 45 \u5ea6\u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b\u89d2\u5ea6\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span id=\"Razones_trigonometricas_de_los_angulos_mas_importantes\">\u6700\u3082\u91cd\u8981\u306a\u89d2\u5ea6\u306e\u4e09\u89d2\u6bd4<\/span><\/h2>\n<p>\u4e09\u89d2\u6cd5\u3067\u6700\u3082\u4e00\u822c\u7684\u306a\u3001<strong>\u6ce8\u76ee\u89d2 \u3068\u547c\u3070\u308c\u308b\u89d2\u5ea6<\/strong>\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u81ea\u5206\u306e\u4e09\u89d2\u6bd4\u3092\u6697\u8a18\u3059\u308b\u3053\u3068\u3092\u5f37\u304f\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u4ee5\u4e0b\u306b\u3001\u3053\u308c\u3089\u306e\u89d2\u5ea6\u306e\u4e09\u89d2\u6bd4\u3068\u305d\u306e\u5c0e\u95a2\u6570 (\u540c\u3058\u89d2\u5ea6\u3067\u3059\u304c\u300190\u3001180\u3001\u307e\u305f\u306f 270 \u5ea6\u306e\u5dee\u304c\u3042\u308b) \u3092\u542b\u3080\u8868\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002 <\/p>\n<div style=\"overflow-x: auto;\">\n<figure class=\"wp-block-table is-style-stripes\"><\/figure>\n<table>\n<tbody>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">\u89d2\u5ea6(\u00b0)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u89d2\u5ea6 (rad)<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u80f8<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u4f59\u5f26<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u6b63\u63a5<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\">0\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">0\u30e9\u30c9<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">0<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 0<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 30\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">1\/6\u03c0\u30e9\u30b8\u30a2\u30f3<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">1\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a3\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a3\/3<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 45\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">1\/4\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 60\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">1\/3\u03c0\u30e9\u30b8\u30a2\u30f3<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u221a3\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a3<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 90\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">1\/2\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 0<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221e<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 120\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">5\/8\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a3\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -1\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a3<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 135\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">3\/4\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -1<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 150\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">5\/8\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a3\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a3\/3<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 180\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">\u03c0\u30e9\u30b8\u30a2\u30f3<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">0<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -1<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 0<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 225\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">5\/4\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -\u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 1<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 270\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">3\/2\u03c0rad<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -1<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> 0<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221e<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"> 315\u5ea6<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">7\/4\u03c0\u30e9\u30b8\u30a2\u30f3<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">-\u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> \u221a2\/2<\/td>\n<td class=\"has-text-align-center\" data-align=\"center\"> -1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"wp-block-heading\"><span id=\"Relacion_entre_las_razones_trigonometricas\">\u4e09\u89d2\u6bd4\u306e\u95a2\u4fc2<\/span><\/h2>\n<p>\u3055\u307e\u3056\u307e\u306a\u4e09\u89d2\u6bd4\u3092\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u95a2\u4fc2\u304b\u3089\u3001\u7570\u306a\u308b\u4e09\u89d2\u95a2\u6570\u9593\u306e<strong>\u4e00\u7a2e\u306e\u7b49\u5f0f<\/strong>\u304c\u5f97\u3089\u308c\u3001\u3053\u308c\u3092\u4e09\u89d2\u95a2\u6570\u6052\u7b49\u5f0f\u3068\u547c\u3073\u307e\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u304a\u304b\u3052\u3067\u3001\u4ed6\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u57fa\u3065\u3044\u3066\u6bd4\u7387\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002\u4e09\u89d2\u6052\u7b49\u5f0f\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u304c\u3042\u308a\u3001\u5f0f\u81ea\u4f53\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u95a2\u4fc2\u306e\u30bf\u30a4\u30d7\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3055\u308c\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"wp-block-heading\"><span id=\"Ejercicios_resueltos_de_razones_trigonometricas\">\u4e09\u89d2\u6bd4\u3067\u89e3\u6c7a\u3067\u304d\u308b\u554f\u984c<\/span><\/h2>\n<p>\u6b21\u306b\u3001\u3053\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u305f\u3059\u3079\u3066\u306e\u7406\u8ad6\u3092\u5b9f\u8df5\u3067\u304d\u308b\u4e00\u9023\u306e\u6f14\u7fd2\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u884c\u304d\u8a70\u307e\u3063\u305f\u308a\u3001\u8cea\u554f\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u3044\u3064\u3067\u3082\u8a18\u4e8b\u3092\u8aad\u307f\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<strong>\u3082\u3046\u4e00\u5ea6\u8aad\u3080<\/strong>\u3068\u3001\u3059\u3079\u3066\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3067\u304d\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u3064\u307e\u308a\u3001\u6b21\u306e\u7df4\u7fd2\u3092\u59cb\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 1<\/h3>\n<p><strong>\u89d2\u5ea6 225 \u5ea6\u306e 6 \u3064\u306e\u4e09\u89d2\u6bd4\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u307e\u305a\u89d2\u5ea6 (\u03b1) \u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u308c\u306f 180 + \u03b1 = 225\u00b0\u3001\u3057\u305f\u304c\u3063\u3066 \u03b1 = 45\u00b0 \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"> sin(225) = sin(180 + 45) = -sin(45) = -\u221a2\/2<\/p>\n<p class=\"has-text-align-center\"> cos(225) = cos(180 + 45) = -cos(45) = -\u221a2\/2<\/p>\n<p class=\"has-text-align-center\"> Tan(225) = Tan(180 + 45) = Tan(45) = 1<\/p>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 2<\/h3>\n<p><strong>\u89d2\u5ea6 120 \u5ea6\u306e 6 \u3064\u306e\u4e09\u89d2\u6bd4\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u307e\u305a\u89d2\u5ea6 (\u03b1) \u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u308c\u306f 180 \u2013 \u03b1 = 120\u00b0\u3001\u3057\u305f\u304c\u3063\u3066 \u03b1 = 60\u00b0 \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"> sin(120) = sin(180 \u2013 60) = sin(60) = \u221a3\/2<\/p>\n<p class=\"has-text-align-center\"> cos(120) = cos(180 \u2013 60) = -cos(60) = -1\/2<\/p>\n<p class=\"has-text-align-center\"> Tan(120) = Tan(180 \u2013 60) = -tan(60) = -\u221a3<\/p>\n<h3 class=\"wp-block-heading\">\u6f14\u7fd2 3<\/h3>\n<p><strong>\u89d2\u5ea6 510 \u5ea6\u306e 6 \u3064\u306e\u4e09\u89d2\u6bd4\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u958b\u59cb\u3059\u308b\u524d\u306b\u3001\u89d2\u5ea6\u3092\u6e1b\u3089\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059: 510 \/ 360 = 1 \u56de\u8ee2\u3057\u3001\u6b8b\u308a\u306e\u89d2\u5ea6\u306f 150 \u3067\u3059\u3002\u6b21\u306b\u3001\u89d2\u5ea6 (\u03b1) \u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u308c\u306f 180 \u2013 \u03b1 = 150\u3001\u3057\u305f\u304c\u3063\u3066 \u03b1 = 30\u00b0 \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"> sin(150) = sin(180 \u2013 30) = sin(30) = 1\/2<\/p>\n<p class=\"has-text-align-center\"> cos(150) = cos(180 \u2013 30) = -cos(30) = -\u221a3\/2<\/p>\n<p class=\"has-text-align-center\"> Tan(150) = Tan(180 \u2013 30) = -tan(30) = -\u221a3\/3<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89d2\u5ea6\u306e\u4e09\u89d2\u6bd4\u306f\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u306e 3 \u3064\u306e\u8fba\u304b\u3089\u5f97\u3089\u308c\u308b\u6bd4\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u305d\u306e\u4e09\u8fba\u3092\u5546\uff08\u5272\u308a\u7b97\uff09\u3067\u6bd4\u8f03\u3057\u305f\u7d50\u679c\u306e\u5024\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u3089\u306e\u7406\u7531\u306f\u76f4\u89d2\u4e09\u89d2\u5f62\uff08\u89d2\u5ea6\u304c 90 \u5ea6\u306e\u4e09\u89d2\u5f62\uff09\u306b\u306e\u307f\u5b58\u5728\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u76f4\u89d2\u4e09 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e4%b8%89%e8%a7%92%e6%af%94\/\"> <span class=\"screen-reader-text\">\u4e09\u89d2\u6bd4\u3068\u306f\u4f55\u3067\u3059\u304b?<\/span> \u3082\u3063\u3068\u8aad\u3080 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[28,9],"tags":[],"class_list":["post-127","post","type-post","status-publish","format-standard","hentry","category-28","category-9"],"yoast_head":"<!-- This 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