{"id":17673,"date":"2025-08-25T17:13:25","date_gmt":"2025-08-25T08:13:25","guid":{"rendered":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/?p=17673"},"modified":"2026-03-18T16:03:57","modified_gmt":"2026-03-18T07:03:57","slug":"tan%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%ef%bc%9a%e3%82%a8%e3%82%af%e3%82%bb%e3%83%ab%e3%81%a7%e6%ad%a3%e6%8e%a5%ef%bc%88%e3%82%bf%e3%83%b3%e3%82%b8%e3%82%a7%e3%83%b3%e3%83%88","status":"publish","type":"post","link":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/17673\/","title":{"rendered":"TAN\u95a2\u6570\u306e\u4f7f\u3044\u65b9\uff1a\u30a8\u30af\u30bb\u30eb\u3067\u6b63\u63a5\uff08\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\uff09\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>TAN\u95a2\u6570\u306f\u3001\u6307\u5b9a\u3057\u305f\u89d2\u5ea6\u306e\u6b63\u63a5\uff08\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\uff09\u3092\u8a08\u7b97\u3059\u308b\u30a8\u30af\u30bb\u30eb\u306e\u4e09\u89d2\u95a2\u6570\u3067\u3059\u3002\u5efa\u7bc9\u8a2d\u8a08\u3067\u306e\u52fe\u914d\u8a08\u7b97\u3001\u6e2c\u91cf\u3067\u306e\u9ad8\u3055\u3084\u8ddd\u96e2\u306e\u7b97\u51fa\u3001\u7269\u7406\u8a08\u7b97\u3067\u306e\u89d2\u5ea6\u89e3\u6790\u3001CAD\u56f3\u9762\u306e\u5ea7\u6a19\u8a08\u7b97\u306a\u3069\u3001\u89d2\u5ea6\u3068\u8fba\u306e\u6bd4\u7387\u3092\u6271\u3046\u69d8\u3005\u306a\u6280\u8853\u8a08\u7b97\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001TAN\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b\u3001\u30e9\u30b8\u30a2\u30f3\u3068\u5ea6\u306e\u5909\u63db\u65b9\u6cd5\u3001SIN\u95a2\u6570\u30fbCOS\u95a2\u6570\u3068\u306e\u95a2\u4fc2\u3001\u305d\u3057\u3066\u3088\u304f\u3042\u308b\u8a08\u7b97\u30a8\u30e9\u30fc\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5\u307e\u3067\u3001\u521d\u5fc3\u8005\u306b\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div id=\"post-below-intro\"><\/div><h2>TAN\u95a2\u6570\u306e\u4f7f\u3044\u65b9<\/h2>\n<h3>TAN\u95a2\u6570\u3068\u306f<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>TAN\u95a2\u6570\u306f\u3001\u89d2\u5ea6\u3092\u5165\u529b\u3057\u3066\u305d\u306e\u6b63\u63a5\uff08\u30bf\u30f3\u30b8\u30a7\u30f3\u30c8\uff09\u5024\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u3002<\/b><\/span>\u6b63\u63a5\u3068\u306f\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u306b\u304a\u3044\u3066\u300c\u5bfe\u8fba\u00f7\u96a3\u8fba\u300d\u306e\u6bd4\u7387\u3092\u8868\u3059\u5024\u3067\u3001\u89d2\u5ea6\u306e\u50be\u304d\u3092\u6570\u5024\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u300145\u5ea6\u306e\u6b63\u63a5\u306f1\u3068\u306a\u308a\u3001\u3053\u308c\u306f\u5bfe\u8fba\u3068\u96a3\u8fba\u304c\u7b49\u3057\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u659c\u9762\u306e\u52fe\u914d\u8a08\u7b97\u3001\u5efa\u7269\u306e\u65e5\u5f71\u8a08\u7b97\u3001\u30ab\u30e1\u30e9\u306e\u753b\u89d2\u8a08\u7b97\u306a\u3069\u3001\u89d2\u5ea6\u3068\u8ddd\u96e2\u306e\u95a2\u4fc2\u3092\u6271\u3046\u5834\u9762\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u7279\u306b\u3001\u5782\u76f4\u8ddd\u96e2\u3068\u6c34\u5e73\u8ddd\u96e2\u304b\u3089\u89d2\u5ea6\u3092\u6c42\u3081\u305f\u308a\u3001\u9006\u306b\u89d2\u5ea6\u304b\u3089\u8ddd\u96e2\u3092\u8a08\u7b97\u3057\u305f\u308a\u3059\u308b\u969b\u306b\u4e0d\u53ef\u6b20\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/support.microsoft.com\/ja-jp\/office\/tan-%E9%96%A2%E6%95%B0-08851a40-179f-4052-b789-d7f699447401\" target=\"_blank\" rel=\"noopener\">TAN \u95a2\u6570 &#8211; Microsoft \u30b5\u30dd\u30fc\u30c8<\/a><\/p>\n<h3>\u57fa\u672c\u69cb\u6587<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>TAN\u95a2\u6570\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/b><\/span><\/p>\n<p>=TAN(\u6570\u5024)<\/p>\n<p>\u6570\u5024\uff1a\u6b63\u63a5\u3092\u6c42\u3081\u305f\u3044\u89d2\u5ea6\u3092\u30e9\u30b8\u30a2\u30f3\u5358\u4f4d\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u5ea6\u5358\u4f4d\u3067\u5165\u529b\u3059\u308b\u5834\u5408\u306f\u3001RADIANS\u95a2\u6570\u3067\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u5b9f\u969b\u306bTAN\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/b><\/span><\/p>\n<p><strong>\u30e9\u30b8\u30a2\u30f3\u3067\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>=TAN(0.785398)\u00a0 \u00a0 \/\/ \u7d50\u679c\uff1a\u7d041\uff08\u03c0\/4\u30e9\u30b8\u30a2\u30f3 = 45\u5ea6\uff09<\/p>\n<p>=TAN(PI()\/4)\u00a0 \u00a0 \u00a0 \/\/ \u7d50\u679c\uff1a1\uff0845\u5ea6\u306e\u6b63\u63a5\uff09<\/p>\n<p>=TAN(PI()\/6)\u00a0 \u00a0 \u00a0 \/\/ \u7d50\u679c\uff1a\u7d040.577\uff0830\u5ea6\u306e\u6b63\u63a5\uff09<\/p>\n<\/div>\n<p><strong>\u5ea6\u5358\u4f4d\u3067\u306e\u8a08\u7b97\uff08RADIANS\u95a2\u6570\u4f7f\u7528\uff09\uff1a<\/strong><\/p>\n<div>\n<p>=TAN(RADIANS(45))\u00a0 \/\/ \u7d50\u679c\uff1a1<\/p>\n<p>=TAN(RADIANS(30))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d040.577<\/p>\n<p>=TAN(RADIANS(60))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d041.732<\/p>\n<p>=TAN(RADIANS(0)) \u00a0 \/\/ \u7d50\u679c\uff1a0<\/p>\n<\/div>\n<p><strong>\u7279\u6b8a\u306a\u89d2\u5ea6\uff1a<\/strong><\/p>\n<div>\n<p>=TAN(RADIANS(90))\u00a0 \/\/ \u7d50\u679c\uff1a\u975e\u5e38\u306b\u5927\u304d\u306a\u5024\uff08\u7406\u8ad6\u7684\u306b\u306f\u7121\u9650\u5927\uff09<\/p>\n<p>=TAN(RADIANS(180)) \/\/ \u7d50\u679c\uff1a\u7d040\uff08\u8aa4\u5dee\u3042\u308a\uff09<\/p>\n<\/div>\n<h3>\u30e9\u30b8\u30a2\u30f3\u3068\u5ea6\u306e\u5909\u63db<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>TAN\u95a2\u6570\u306f\u30e9\u30b8\u30a2\u30f3\u5358\u4f4d\u3067\u8a08\u7b97\u3059\u308b\u305f\u3081\u3001\u5ea6\u5358\u4f4d\u3068\u306e\u5909\u63db\u304c\u91cd\u8981\u3067\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u5ea6\u304b\u3089\u30e9\u30b8\u30a2\u30f3\u3078\u306e\u5909\u63db\uff1a<\/strong><\/p>\n<div>\n<p>\u30e9\u30b8\u30a2\u30f3 = \u5ea6 \u00d7 \u03c0 \/ 180<\/p>\n<p>=\u89d2\u5ea6 * PI() \/ 180<\/p>\n<p>\u307e\u305f\u306f<\/p>\n<p>=RADIANS(\u89d2\u5ea6)<\/p>\n<\/div>\n<p><strong>\u30e9\u30b8\u30a2\u30f3\u304b\u3089\u5ea6\u3078\u306e\u5909\u63db\uff1a<\/strong><\/p>\n<div>\n<p>\u5ea6 = \u30e9\u30b8\u30a2\u30f3 \u00d7 180 \/ \u03c0<\/p>\n<p>=\u30e9\u30b8\u30a2\u30f3 * 180 \/ PI()<\/p>\n<p>\u307e\u305f\u306f<\/p>\n<p>=DEGREES(\u30e9\u30b8\u30a2\u30f3)<\/p>\n<\/div>\n<h2>TAN\u95a2\u6570\u306e\u5229\u7528\u30b7\u30fc\u30f3<\/h2>\n<h3>\u5efa\u7bc9\u30fb\u571f\u6728\u3067\u306e\u52fe\u914d\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u659c\u9762\u3084\u5c4b\u6839\u306e\u52fe\u914d\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u52fe\u914d\u7387\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>\u5782\u76f4\u8ddd\u96e2\uff1a3m<\/p>\n<p>\u6c34\u5e73\u8ddd\u96e2\uff1a4m<\/p>\n<p>\u52fe\u914d\u89d2\u5ea6\uff1a=DEGREES(ATAN(3\/4))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d0436.87\u5ea6<\/p>\n<p>\u52fe\u914d\u7387\uff1a=TAN(RADIANS(36.87)) \u00a0 \/\/ \u7d50\u679c\uff1a0.75\uff0875%\uff09<\/p>\n<\/div>\n<p><strong>\u5c4b\u6839\u52fe\u914d\u306e\u8868\u73fe<\/strong>\uff1a<\/p>\n<p>=TAN(RADIANS(\u5c4b\u6839\u89d2\u5ea6)) * 10 &amp; &#8220;\/10&#8221;<\/p>\n<p>\/\/ \u4f8b\uff1a30\u5ea6\u306e\u5834\u5408 &#8220;5.77\/10&#8221; \u3068\u8868\u793a<\/p>\n<p><strong>\u6cd5\u9762\u306e\u5b89\u5b9a\u89d2\u5ea6\u30c1\u30a7\u30c3\u30af<\/strong>\uff1a<\/p>\n<p>=IF(TAN(RADIANS(\u89d2\u5ea6)) &gt; \u8a31\u5bb9\u52fe\u914d, &#8220;\u5371\u967a&#8221;, &#8220;\u5b89\u5168&#8221;)<\/p>\n<h3>\u6e2c\u91cf\u30fb\u6e2c\u5b9a\u3067\u306e\u9ad8\u3055\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u96e2\u308c\u305f\u5834\u6240\u304b\u3089\u5efa\u7269\u3084\u6728\u306e\u9ad8\u3055\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u5efa\u7269\u306e\u9ad8\u3055\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>\u89b3\u6e2c\u8ddd\u96e2\uff1a50m<\/p>\n<p>\u4ef0\u89d2\uff1a35\u5ea6<\/p>\n<p>\u89b3\u6e2c\u8005\u306e\u76ee\u306e\u9ad8\u3055\uff1a1.5m<\/p>\n<p>\u5efa\u7269\u306e\u9ad8\u3055 = 50 * TAN(RADIANS(35)) + 1.5<\/p>\n<\/div>\n<p><strong>\u5f71\u306e\u9577\u3055\u304b\u3089\u9ad8\u3055\u3092\u6c42\u3081\u308b\uff1a<\/strong><\/p>\n<div>\n<p>\u5f71\u306e\u9577\u3055\uff1a20m<\/p>\n<p>\u592a\u967d\u9ad8\u5ea6\uff1a40\u5ea6<\/p>\n<p>\u7269\u4f53\u306e\u9ad8\u3055 = 20 * TAN(RADIANS(40))<\/p>\n<\/div>\n<h3>\u7269\u7406\u30fb\u5de5\u5b66\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u529b\u5b66\u3084\u5149\u5b66\u3067\u306e\u89d2\u5ea6\u8a08\u7b97\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u659c\u9762\u4e0a\u306e\u7269\u4f53\u306e\u529b\u306e\u5206\u89e3\uff1a<\/strong><\/p>\n<div>\n<p>\u91cd\u529b\uff1a100N<\/p>\n<p>\u659c\u9762\u89d2\u5ea6\uff1a30\u5ea6<\/p>\n<p>\u659c\u9762\u65b9\u5411\u306e\u529b = 100 * SIN(RADIANS(30))<\/p>\n<p>\u5782\u76f4\u6297\u529b = 100 * COS(RADIANS(30))<\/p>\n<p>\u6469\u64e6\u4fc2\u6570 = TAN(RADIANS(\u9650\u754c\u89d2\u5ea6))<\/p>\n<\/div>\n<p><strong>\u6295\u5c04\u904b\u52d5\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>\u521d\u901f\u5ea6\uff1a20m\/s<\/p>\n<p>\u6295\u5c04\u89d2\u5ea6\uff1a45\u5ea6<\/p>\n<p>\u6c34\u5e73\u901f\u5ea6 = 20 * COS(RADIANS(45))<\/p>\n<p>\u5782\u76f4\u901f\u5ea6 = 20 * SIN(RADIANS(45))<\/p>\n<p>\u5230\u9054\u8ddd\u96e2\u3067\u306e\u9ad8\u3055\u6bd4 = TAN(RADIANS(45))<\/p>\n<\/div>\n<h3>CAD\u30fb\u56f3\u9762\u3067\u306e\u5ea7\u6a19\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u6280\u8853\u56f3\u9762\u3067\u306e\u89d2\u5ea6\u3068\u5ea7\u6a19\u306e\u5909\u63db\u306b\u6d3b\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u6975\u5ea7\u6a19\u304b\u3089\u76f4\u4ea4\u5ea7\u6a19\u3078\u306e\u5909\u63db\uff1a<\/strong><\/p>\n<div>\n<p>\u8ddd\u96e2\uff1a100mm<\/p>\n<p>\u89d2\u5ea6\uff1a30\u5ea6<\/p>\n<p>X\u5ea7\u6a19 = 100 * COS(RADIANS(30))<\/p>\n<p>Y\u5ea7\u6a19 = 100 * SIN(RADIANS(30))<\/p>\n<p>\u50be\u304d = TAN(RADIANS(30))<\/p>\n<\/div>\n<p><strong>2\u70b9\u9593\u306e\u89d2\u5ea6\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>X\u5dee\uff1a\u7d42\u70b9X &#8211; \u59cb\u70b9X<\/p>\n<p>Y\u5dee\uff1a\u7d42\u70b9Y &#8211; \u59cb\u70b9Y<\/p>\n<p>\u89d2\u5ea6 = DEGREES(ATAN2(Y\u5dee, X\u5dee))<\/p>\n<p>\u50be\u304d = TAN(RADIANS(\u89d2\u5ea6))<\/p>\n<\/div>\n<h3>\u8996\u91ce\u89d2\u30fb\u753b\u89d2\u306e\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u30ab\u30e1\u30e9\u3084\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306e\u8996\u91ce\u89d2\u8a08\u7b97\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u30ab\u30e1\u30e9\u306e\u753b\u89d2\u8a08\u7b97\uff1a<\/strong><\/p>\n<div>\n<p>\u30bb\u30f3\u30b5\u30fc\u30b5\u30a4\u30ba\uff1a24mm<\/p>\n<p>\u7126\u70b9\u8ddd\u96e2\uff1a50mm<\/p>\n<p>\u753b\u89d2 = 2 * DEGREES(ATAN(24 \/ (2 * 50)))<\/p>\n<\/div>\n<p><strong>\u8996\u8ddd\u96e2\u3068\u753b\u9762\u30b5\u30a4\u30ba\uff1a<\/strong><\/p>\n<div>\n<p>\u753b\u9762\u5e45\uff1a1000mm<\/p>\n<p>\u8996\u8ddd\u96e2\uff1a2000mm<\/p>\n<p>\u8996\u91ce\u89d2 = 2 * DEGREES(ATAN(1000 \/ (2 * 2000)))<\/p>\n<\/div>\n<h2>TAN\u95a2\u6570\u306e\u5fdc\u7528\u30fb\u4ed6\u95a2\u6570\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h2>\n<h3>SIN\u30fbCOS\u95a2\u6570\u3068\u306e\u95a2\u4fc2<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u4e09\u89d2\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u95a2\u4fc2\u5f0f\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>TAN = SIN \/ COS \u306e\u95a2\u4fc2<\/strong>\uff1a<\/p>\n<p>=SIN(RADIANS(\u89d2\u5ea6)) \/ COS(RADIANS(\u89d2\u5ea6))<\/p>\n<p>\/\/ TAN(RADIANS(\u89d2\u5ea6))\u3068\u540c\u3058\u7d50\u679c<\/p>\n<p><strong>\u30d4\u30bf\u30b4\u30e9\u30b9\u306e\u5b9a\u7406\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong>\uff1a<\/p>\n<p>=SQRT(1 + TAN(RADIANS(\u89d2\u5ea6))^2)\u00a0 \/\/ sec(\u89d2\u5ea6)\u306e\u8a08\u7b97<\/p>\n<h3>ATAN\u95a2\u6570\u306b\u3088\u308b\u9006\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>ATAN\u95a2\u6570\u3092\u7528\u3044\u308b\u3068\u3001\u5165\u529b\u3057\u305f\u5024\u304b\u3089\u30e9\u30b8\u30a2\u30f3\u3092\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u6b63\u63a5\u5024\u304b\u3089\u89d2\u5ea6\u3092\u6c42\u3081\u308b\u9006\u6b63\u63a5\u95a2\u6570\u3068\u306e\u9023\u643a\uff1a<\/strong><\/p>\n<div>\n<p>\u52fe\u914d\u304b\u3089\u89d2\u5ea6\uff1a<\/p>\n<p>\u52fe\u914d = 0.5\uff0850%\uff09<\/p>\n<p>\u89d2\u5ea6 = DEGREES(ATAN(0.5))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d0426.57\u5ea6<\/p>\n<p>\u78ba\u8a8d\uff1a=TAN(RADIANS(26.57))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d040.5<\/p>\n<\/div>\n<h3>ATAN2\u95a2\u6570\u3067\u306e\u65b9\u5411\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>ATAN2\u95a2\u6570\u306f\u30012\u70b9\u3092\u7d50\u3076\u7dda\u5206\u306e\u89d2\u5ea6\u3092\u6c42\u3081\u308b\u3068\u304d\u306b\u4f7f\u3048\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>2\u70b9\u9593\u306e\u65b9\u5411\u3092\u6b63\u78ba\u306b\u8a08\u7b97<\/strong>\uff1a<\/p>\n<p>=DEGREES(ATAN2(Y2-Y1, X2-X1))<\/p>\n<p>\/\/ \u5168\u8c61\u9650\u3067\u6b63\u3057\u3044\u89d2\u5ea6\u3092\u8fd4\u3059<\/p>\n<h3>IF\u95a2\u6570\u3067\u306e\u6761\u4ef6\u5206\u5c90<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>TAN\u95a2\u6570\u306bIF\u95a2\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u5165\u529b\u3057\u305f\u89d2\u5ea6\u306e\u5224\u5b9a\u3092\u884c\u3048\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u7279\u5b9a\u306e\u89d2\u5ea6\u7bc4\u56f2\u3067\u306e\u51e6\u7406<\/strong>\uff1a<\/p>\n<p>=IF(ABS(TAN(RADIANS(\u89d2\u5ea6))) &gt; 1, &#8220;\u6025\u52fe\u914d&#8221;, &#8220;\u7de9\u52fe\u914d&#8221;)<\/p>\n<p><strong>90\u5ea6\u4ed8\u8fd1\u306e\u7279\u6b8a\u51e6\u7406<\/strong>\uff1a<\/p>\n<p>=IF(MOD(\u89d2\u5ea6, 180) = 90, &#8220;\u8a08\u7b97\u4e0d\u53ef&#8221;, TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<h3>\u914d\u5217\u6570\u5f0f\u3067\u306e\u4e00\u62ec\u8a08\u7b97<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u914d\u5217\u6570\u5f0f\u3092\u7528\u3044\u308c\u3070\u3001TAN\u95a2\u6570\u306e\u51e6\u7406\u3092\u4e00\u5ea6\u306b\u884c\u3048\u307e\u3059\u3002<\/b><\/span><\/p>\n<p><strong>\u8907\u6570\u306e\u89d2\u5ea6\u3092\u4e00\u5ea6\u306b\u51e6\u7406<\/strong>\uff1a<\/p>\n<p>\u89d2\u5ea6\u30ea\u30b9\u30c8\uff1a0, 30, 45, 60, 90<\/p>\n<p>{=TAN(RADIANS({0,30,45,60,90}))}<\/p>\n<h3>\u30b0\u30e9\u30d5\u4f5c\u6210\u3067\u306e\u6d3b\u7528<\/h3>\n<p><strong>\u6b63\u63a5\u66f2\u7dda\u306e\u30d7\u30ed\u30c3\u30c8\uff1a<\/strong><\/p>\n<div>\n<p>X\u8ef8\uff08\u89d2\u5ea6\uff09\uff1a-90\u304b\u308990\u307e\u30675\u5ea6\u523b\u307f<\/p>\n<p>Y\u8ef8\uff08TAN\u5024\uff09\uff1a=IF(ABS(X) = 90, NA(), TAN(RADIANS(X)))<\/p>\n<p>\/\/ 90\u5ea6\u3068-90\u5ea6\u3067\u306f#N\/A\u3092\u8fd4\u3057\u3066\u30b0\u30e9\u30d5\u306e\u4e0d\u9023\u7d9a\u3092\u8868\u73fe<\/p>\n<\/div>\n<h3>\u8fd1\u4f3c\u8a08\u7b97\u3067\u306e\u4f7f\u7528<\/h3>\n<p><strong>\u5c0f\u3055\u3044\u89d2\u5ea6\u3067\u306e\u8fd1\u4f3c<\/strong>\uff1a<\/p>\n<p>\/\/ \u89d2\u5ea6\u304c\u5c0f\u3055\u3044\u5834\u5408\u3001TAN(\u03b8) \u2248 \u03b8\uff08\u30e9\u30b8\u30a2\u30f3\uff09<\/p>\n<p>=IF(ABS(RADIANS(\u89d2\u5ea6)) &lt; 0.1, RADIANS(\u89d2\u5ea6), TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<h2>TAN\u95a2\u6570\u306e\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u5bfe\u7b56<\/h2>\n<h3>#NUM!\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>90\u5ea6\u306e\u500d\u6570\u4ed8\u8fd1\u3067\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/b><\/span><\/p>\n<p>=IFERROR(TAN(RADIANS(\u89d2\u5ea6)), &#8220;\u8a08\u7b97\u4e0d\u53ef&#8221;)<\/p>\n<p><strong>\u3088\u308a\u8a73\u7d30\u306a\u30a8\u30e9\u30fc\u51e6\u7406\uff1a<\/strong><\/p>\n<div>\n<p>=IF(MOD(ABS(\u89d2\u5ea6), 180) = 90,<\/p>\n<p>IF(\u89d2\u5ea6 &gt; 0, &#8220;\u6b63\u306e\u7121\u9650\u5927&#8221;, &#8220;\u8ca0\u306e\u7121\u9650\u5927&#8221;),<\/p>\n<p>TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<\/div>\n<h3>\u5ea6\u3068\u30e9\u30b8\u30a2\u30f3\u306e\u6df7\u540c<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>\u6700\u3082\u4e00\u822c\u7684\u306a\u30df\u30b9\u306f\u5358\u4f4d\u306e\u8aa4\u308a\u3067\u3059\u3002<\/b><\/span><\/p>\n<div>\n<p><strong>\u8aa4<\/strong>\uff1a=TAN(45)\u00a0 \u00a0 \u00a0 \u00a0 \/\/ 45\u30e9\u30b8\u30a2\u30f3\uff08\u7d042578\u5ea6\uff09\u3068\u3057\u3066\u8a08\u7b97<\/p>\n<p><strong>\u6b63<\/strong>\uff1a=TAN(RADIANS(45))\u00a0 \/\/ 45\u5ea6\u3068\u3057\u3066\u8a08\u7b97<\/p>\n<\/div>\n<p><strong>\u78ba\u8a8d\u65b9\u6cd5<\/strong>\uff1a<\/p>\n<p>=IF(ABS(\u7d50\u679c) &gt; 1000, &#8220;\u5358\u4f4d\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044&#8221;, \u7d50\u679c)<\/p>\n<p>TAN\u95a2\u6570\u306e\u7d50\u679c\u304c1000\u3092\u4e0a\u56de\u308b\u306e\u306f90\u5ea6\u306e\u500d\u6570\u4ed8\u8fd1\u3067\u3042\u308a\u3001\u300c\u5358\u4f4d\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u8868\u793a\u3055\u308c\u305f\u3068\u304d\u306f\u5358\u4f4d\u3092\u8aa4\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u7cbe\u5ea6\u306e\u554f\u984c<\/h3>\n<p><strong>\u7279\u5b9a\u306e\u89d2\u5ea6\u3067\u306e\u4e38\u3081\u8aa4\u5dee<\/strong>\uff1a<\/p>\n<p>=ROUND(TAN(RADIANS(\u89d2\u5ea6)), 10)\u00a0 \/\/ \u5c0f\u6570\u70b9\u4ee5\u4e0b10\u6841\u3067\u4e38\u3081\u308b<\/p>\n<p><strong>0\u5ea6\u3001180\u5ea6\u4ed8\u8fd1\u3067\u306e\u8aa4\u5dee\u5bfe\u7b56<\/strong>\uff1a<\/p>\n<p>=IF(MOD(\u89d2\u5ea6, 180) = 0, 0, TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<h3>\u5b9a\u7fa9\u57df\u306e\u5236\u9650<\/h3>\n<p><span style=\"background-color: #ffff99;\"><b>90\u5ea6 + n\u00d7180\u5ea6\u3067\u306f\u5b9a\u7fa9\u3055\u308c\u307e\u305b\u3093\u3002<\/b><\/span><\/p>\n<p>=IF(AND(MOD(\u89d2\u5ea6,90)=0,MOD(\u89d2\u5ea6,180)&lt;&gt;0),<\/p>\n<p>&#8220;\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u305b\u3093&#8221;,<\/p>\n<p>TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<h3>\u5927\u304d\u306a\u5024\u306e\u6271\u3044<\/h3>\n<p><strong>90\u5ea6\u306b\u8fd1\u3044\u89d2\u5ea6\u3067\u306e\u51e6\u7406<\/strong>\uff1a<\/p>\n<p>=IF(ABS(TAN(RADIANS(\u89d2\u5ea6))) &gt; 10^10,<\/p>\n<p>&#8220;\u6975\u3081\u3066\u5927\u304d\u3044\u5024&#8221;,<\/p>\n<p>TAN(RADIANS(\u89d2\u5ea6)))<\/p>\n<h3>\u8ca0\u306e\u89d2\u5ea6\u306e\u51e6\u7406<\/h3>\n<p><strong><\/strong><span style=\"background-color: #ffff99;\"><b><strong>TAN\u95a2\u6570\u306f\u8ca0\u306e\u89d2\u5ea6\u3082\u6b63\u3057\u304f\u51e6\u7406\u3057\u307e\u3059<\/strong>\u3002<\/b><\/span><\/p>\n<p>=TAN(RADIANS(-30))\u00a0 \/\/ \u7d50\u679c\uff1a\u7d04-0.577<\/p>\n<p>\/\/ TAN(-\u03b8) = -TAN(\u03b8) \u306e\u6027\u8cea<\/p>\n<h3>\u5468\u671f\u6027\u306e\u6d3b\u7528<\/h3>\n<p><strong><\/strong><span style=\"background-color: #ffff99;\"><b><strong>TAN\u95a2\u6570\u306f180\u5ea6\u5468\u671f\u3067\u3059<\/strong>\u3002<\/b><\/span><\/p>\n<p>=TAN(RADIANS(MOD(\u89d2\u5ea6, 180)))<\/p>\n<p>\/\/ 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