{"id":135406,"date":"2025-11-21T06:30:18","date_gmt":"2025-11-20T21:30:18","guid":{"rendered":"https:\/\/adtechmanagement.com\/minnadepr-column\/?p=135406"},"modified":"2025-11-21T06:30:18","modified_gmt":"2025-11-20T21:30:18","slug":"yogen-toha","status":"publish","type":"post","link":"https:\/\/adtechmanagement.com\/minnadepr-column\/2025\/11\/21\/yogen-toha\/","title":{"rendered":"\u4f59\u5f26\u3068\u306f\uff1f\u610f\u5473\u30fb\u5b9a\u7fa9\u30fb\u4e09\u89d2\u95a2\u6570\u306e\u6d3b\u7528\u3068\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"

\u300c\u4f59\u5f26\u300d\u3068\u3044\u3046\u8a00\u8449\u306f\u3001\u6570\u5b66\u3084\u7269\u7406\u3067\u983b\u7e41\u306b\u767b\u5834\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u6b63\u78ba\u306a\u610f\u5473\u3084\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u4eba\u306f\u610f\u5916\u3068\u5c11\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4f59\u5f26\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u4e09\u89d2\u95a2\u6570\u3068\u3057\u3066\u306e\u6d3b\u7528\u4f8b\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

1. \u4f59\u5f26\u306e\u57fa\u672c\u7684\u306a\u610f\u5473<\/h2>\n

\u4f59\u5f26\u306f\u3001\u4e09\u89d2\u95a2\u6570\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u8fba\u306e\u6bd4\u7387\u3092\u793a\u3059\u6982\u5ff5\u3067\u3059\u3002\u82f1\u8a9e\u3067\u306f\u300ccosine\u300d\u3068\u8868\u8a18\u3055\u308c\u3001\u6570\u5b66\u3001\u7269\u7406\u3001\u5de5\u5b66\u306a\u3069\u5e45\u5e83\u3044\u5206\u91ce\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u4f59\u5f26\u306f\u89d2\u5ea6\u306b\u95a2\u9023\u3059\u308b\u6bd4\u3092\u8868\u3059\u305f\u3081\u3001\u89d2\u5ea6\u3084\u6ce2\u306e\u8a08\u7b97\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002 <\/p>\n

1-1. \u4f59\u5f26\u306e\u5b9a\u7fa9<\/h3>\n

\u4f59\u5f26\u306f\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u306b\u304a\u3044\u3066\u3001\u89d2\u03b8\u306e\u96a3\u63a5\u8fba\u306e\u9577\u3055\u3092\u659c\u8fba\u306e\u9577\u3055\u3067\u5272\u3063\u305f\u5024\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002 \\[ \\cos \u03b8 = \\frac{\\text{\u96a3\u63a5\u8fba}}{\\text{\u659c\u8fba}} \\] \u3053\u306e\u5b9a\u7fa9\u306b\u3088\u308a\u3001\u4f59\u5f26\u306f0\u304b\u30891\u306e\u7bc4\u56f2\u3067\u5909\u5316\u3057\u3001\u89d2\u5ea6\u306b\u5fdc\u3058\u305f\u6bd4\u7387\u3092\u76f4\u611f\u7684\u306b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002 <\/p>\n

1-2. \u5358\u4f4d\u5186\u3067\u306e\u4f59\u5f26<\/h3>\n

\u5358\u4f4d\u5186\u4e0a\u3067\u89d2\u5ea6\u03b8\u306b\u5bfe\u5fdc\u3059\u308b\u70b9\u306ex\u5ea7\u6a19\u304c\u4f59\u5f26\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u5358\u4f4d\u5186\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u4f59\u5f26\u306e\u5024\u304c\u6b63\u8ca0\u306b\u5909\u5316\u3059\u308b\u7406\u7531\u3084\u5468\u671f\u6027\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002 <\/p>\n

1-3. \u985e\u4f3c\u306e\u4e09\u89d2\u95a2\u6570\u3068\u306e\u9055\u3044<\/h3>\n

\u4e09\u89d2\u95a2\u6570\u306b\u306f\u6b63\u5f26\uff08sine\uff09\u3001\u6b63\u63a5\uff08tangent\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u5f26\u306f\u89d2\u306e\u5bfe\u8fba\/\u659c\u8fba\u3001\u6b63\u63a5\u306f\u5bfe\u8fba\/\u96a3\u63a5\u8fba\u3067\u8868\u3055\u308c\u307e\u3059\u3002\u4f59\u5f26\u306f\u96a3\u63a5\u8fba\/\u659c\u8fba\u306b\u5bfe\u5fdc\u3059\u308b\u70b9\u3067\u3001\u6b63\u5f26\u3068\u5bfe\u7167\u7684\u306a\u95a2\u4fc2\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n

2. \u4f59\u5f26\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n

2-1. \u76f4\u89d2\u4e09\u89d2\u5f62\u3067\u306e\u8a08\u7b97<\/h3>\n

\u76f4\u89d2\u4e09\u89d2\u5f62\u3067\u89d2\u5ea6\u03b8\u304c\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u96a3\u63a5\u8fba\u3068\u659c\u8fba\u306e\u6bd4\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u4f59\u5f26\u3092\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u96a3\u63a5\u8fba\u304c3\u3001\u659c\u8fba\u304c5\u306e\u5834\u5408\u3001 \\[ \\cos \u03b8 = \\frac{3}{5} = 0.6 \\] \u3068\u306a\u308a\u307e\u3059\u3002 <\/p>\n

2-2. \u5358\u4f4d\u5186\u3092\u4f7f\u3063\u305f\u8a08\u7b97<\/h3>\n

\u5358\u4f4d\u5186\u3092\u7528\u3044\u308b\u3068\u3001\u89d2\u5ea6\u03b8\u306b\u5bfe\u3059\u308b\u4f59\u5f26\u306e\u5024\u3092\u5ea7\u6a19\u304b\u3089\u76f4\u63a5\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30020\u00b0\u300190\u00b0\u3001180\u00b0\u3001270\u00b0\u306a\u3069\u306e\u7279\u6b8a\u89d2\u3067\u306f\u3001\u4f59\u5f26\u306e\u5024\u306f1, 0, -1, 0\u3068\u7c21\u5358\u306b\u6c42\u3081\u3089\u308c\u307e\u3059\u3002 <\/p>\n

2-3. \u8fd1\u4f3c\u8a08\u7b97\u3068\u96fb\u5353\u306e\u4f7f\u7528<\/h3>\n

\u4f59\u5f26\u306f\u5c0f\u6570\u3084\u30e9\u30b8\u30a2\u30f3\u3067\u8a08\u7b97\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u96fb\u5353\u3084\u95a2\u6570\u96fb\u5353\u3092\u4f7f\u3046\u3068\u3001\u4efb\u610f\u306e\u89d2\u5ea6\u306e\u4f59\u5f26\u3092\u7c21\u5358\u306b\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u30e9\u30b8\u30a2\u30f3\u3067\u8a08\u7b97\u3059\u308b\u5834\u5408\u3001\\(\\cos \u03b8\\)\u306f\u89d2\u5ea6\u3092\u03c0\/180\u3067\u5909\u63db\u3057\u3066\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n

3. \u4f59\u5f26\u306e\u6027\u8cea<\/h2>\n

3-1. \u5468\u671f\u6027<\/h3>\n

\u4f59\u5f26\u306f\u5468\u671f\u95a2\u6570\u3067\u3042\u308a\u3001\u5468\u671f\u306f360\u00b0\uff082\u03c0\u30e9\u30b8\u30a2\u30f3\uff09\u3067\u3059\u3002\u3064\u307e\u308a\u3001 \\[ \\cos(\u03b8 + 360\u00b0) = \\cos \u03b8 \\] \u3068\u306a\u308a\u3001\u6ce2\u3084\u632f\u52d5\u306e\u89e3\u6790\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002 <\/p>\n

3-2. \u5076\u95a2\u6570\u3068\u3057\u3066\u306e\u6027\u8cea<\/h3>\n

\u4f59\u5f26\u306f\u5076\u95a2\u6570\u3067\u3042\u308a\u3001\\(\\cos(-\u03b8) = \\cos \u03b8\\)\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u6027\u8cea\u306f\u3001\u5bfe\u79f0\u6027\u3084\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u306a\u3069\u306e\u5fdc\u7528\u3067\u5229\u7528\u3055\u308c\u307e\u3059\u3002 <\/p>\n

3-3. \u6700\u5927\u5024\u30fb\u6700\u5c0f\u5024<\/h3>\n

\u4f59\u5f26\u306e\u5024\u306f\u5e38\u306b-1\u304b\u30891\u306e\u9593\u306b\u53ce\u307e\u308a\u307e\u3059\u3002\u89d2\u5ea6\u306b\u3088\u3063\u3066\u6700\u5927\u50241\u3001\u6700\u5c0f\u5024-1\u3092\u53d6\u308b\u3053\u3068\u304b\u3089\u3001\u6ce2\u306e\u632f\u5e45\u3084\u5468\u671f\u89e3\u6790\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n

4. \u4f59\u5f26\u306e\u5fdc\u7528\u4f8b<\/h2>\n

4-1. \u7269\u7406\u5b66\u3067\u306e\u5fdc\u7528<\/h3>\n

\u7269\u7406\u5b66\u3067\u306f\u3001\u4f59\u5f26\u306f\u529b\u306e\u5206\u89e3\u3084\u6ce2\u52d5\u306e\u89e3\u6790\u3001\u632f\u52d5\u89e3\u6790\u306b\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002\u659c\u9762\u4e0a\u306e\u529b\u306e\u5206\u89e3\u3067\u306f\u3001\u529b\u306e\u96a3\u63a5\u6210\u5206\u3092\u6c42\u3081\u308b\u969b\u306b\u4f59\u5f26\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 <\/p>\n

4-2. \u5de5\u5b66\u3067\u306e\u5fdc\u7528<\/h3>\n

\u5de5\u5b66\u5206\u91ce\u3067\u306f\u3001\u4fe1\u53f7\u51e6\u7406\u3084\u96fb\u6c17\u56de\u8def\u3001\u5efa\u7bc9\u8a08\u7b97\u306a\u3069\u3067\u4f59\u5f26\u304c\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u7279\u306b\u4ea4\u6d41\u56de\u8def\u3084\u30d5\u30fc\u30ea\u30a8\u89e3\u6790\u3067\u306f\u4f59\u5f26\u95a2\u6570\u304c\u57fa\u672c\u7684\u306a\u6ce2\u5f62\u306e\u4e00\u3064\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002 <\/p>\n

4-3. \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u3067\u306e\u5fdc\u7528<\/h3>\n

\u60c5\u5831\u5de5\u5b66\u3067\u306f\u3001\u30d9\u30af\u30c8\u30eb\u9593\u306e\u89d2\u5ea6\u3092\u6e2c\u308b\u969b\u306b\u4f59\u5f26\u985e\u4f3c\u5ea6\u3068\u3057\u3066\u5fdc\u7528\u3055\u308c\u307e\u3059\u3002\u6587\u66f8\u691c\u7d22\u3084\u30ec\u30b3\u30e1\u30f3\u30c9\u30b7\u30b9\u30c6\u30e0\u3067\u30012\u3064\u306e\u30d9\u30af\u30c8\u30eb\u306e\u985e\u4f3c\u5ea6\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n

5. \u4f59\u5f26\u5b9a\u7406\u3068\u306e\u95a2\u9023<\/h2>\n

5-1. \u4f59\u5f26\u5b9a\u7406\u306e\u5b9a\u7fa9<\/h3>\n

\u4f59\u5f26\u5b9a\u7406\u306f\u4efb\u610f\u306e\u4e09\u89d2\u5f62\u306b\u304a\u3044\u3066\u3001\u8fba\u3068\u89d2\u306e\u95a2\u4fc2\u3092\u8868\u3059\u516c\u5f0f\u3067\u3059\u3002\u4e09\u89d2\u5f62ABC\u306b\u304a\u3044\u3066\u3001\u8fbaa, b, c\u306b\u5bfe\u3057\u89d2C\u304c\u4e0e\u3048\u3089\u308c\u305f\u5834\u5408\u3001 \\[ c^2 = a^2 + b^2 - 2ab\\cos C \\] \u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002 <\/p>\n

5-2. \u4f59\u5f26\u5b9a\u7406\u306e\u7528\u9014<\/h3>\n

\u4f59\u5f26\u5b9a\u7406\u306f\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u4ee5\u5916\u3067\u3082\u89d2\u3084\u8fba\u306e\u9577\u3055\u3092\u6c42\u3081\u308b\u969b\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u5730\u56f3\u8a08\u7b97\u3001\u5efa\u7bc9\u3001\u822a\u6d77\u3001\u5929\u6587\u5b66\u306a\u3069\u5e45\u5e83\u3044\u5fdc\u7528\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

5-3. \u6b63\u5f26\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n

\u4f59\u5f26\u5b9a\u7406\u3068\u6b63\u5f26\u5b9a\u7406\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4e09\u89d2\u5f62\u306b\u95a2\u3059\u308b\u3042\u3089\u3086\u308b\u8a08\u7b97\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u8907\u96d1\u306a\u4e09\u89d2\u5f62\u306e\u89e3\u6790\u306b\u304a\u3044\u3066\u6709\u52b9\u3067\u3059\u3002<\/p>\n

6. \u4f59\u5f26\u306e\u5b66\u7fd2\u30dd\u30a4\u30f3\u30c8<\/h2>\n

6-1. \u5b9a\u7fa9\u3068\u5358\u4f4d\u5186\u3092\u7406\u89e3\u3059\u308b<\/h3>\n

\u4f59\u5f26\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305a\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u8fba\u306e\u6bd4\u7387\u3068\u5358\u4f4d\u5186\u4e0a\u306e\u5ea7\u6a19\u306e\u95a2\u4fc2\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 <\/p>\n

6-2. \u30b0\u30e9\u30d5\u306e\u8aad\u307f\u53d6\u308a<\/h3>\n

\u4f59\u5f26\u95a2\u6570\u306e\u30b0\u30e9\u30d5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6ce2\u306e\u5468\u671f\u3001\u632f\u5e45\u3001\u5bfe\u79f0\u6027\u3092\u8996\u899a\u7684\u306b\u6349\u3048\u3089\u308c\u307e\u3059\u3002 <\/p>\n

6-3. \u5fdc\u7528\u554f\u984c\u3067\u7df4\u7fd2\u3059\u308b<\/h3>\n

\u7269\u7406\u30fb\u5de5\u5b66\u30fb\u60c5\u5831\u5de5\u5b66\u306a\u3069\u306e\u5fdc\u7528\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u3067\u3001\u4f59\u5f26\u306e\u7406\u89e3\u304c\u6df1\u307e\u308a\u3001\u5b9f\u969b\u306e\u8a08\u7b97\u306b\u5fdc\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

7. \u307e\u3068\u3081<\/h2>\n

\u4f59\u5f26\u306f\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u8fba\u306e\u6bd4\u7387\u3092\u793a\u3059\u4e09\u89d2\u95a2\u6570\u3067\u3001\u5358\u4f4d\u5186\u3084\u30b0\u30e9\u30d5\u3092\u901a\u3058\u3066\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u5468\u671f\u6027\u3084\u5076\u95a2\u6570\u3068\u3057\u3066\u306e\u6027\u8cea\u3092\u6301\u3061\u3001\u7269\u7406\u5b66\u3001\u5de5\u5b66\u3001\u60c5\u5831\u5de5\u5b66\u306a\u3069\u5e45\u5e83\u3044\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u3001\u4f59\u5f26\u5b9a\u7406\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4efb\u610f\u306e\u4e09\u89d2\u5f62\u306e\u89e3\u6790\u304c\u53ef\u80fd\u3067\u3059\u3002\u4f59\u5f26\u306e\u57fa\u790e\u3068\u5fdc\u7528\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u6570\u5b66\u3084\u79d1\u5b66\u5206\u91ce\u3067\u306e\u554f\u984c\u89e3\u6c7a\u529b\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u300c\u4f59\u5f26\u300d\u3068\u3044\u3046\u8a00\u8449\u306f\u3001\u6570\u5b66\u3084\u7269\u7406\u3067\u983b\u7e41\u306b\u767b\u5834\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u6b63\u78ba\u306a\u610f\u5473\u3084\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3057\u3066\u3044\u308b\u4eba\u306f\u610f\u5916\u3068\u5c11\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4f59\u5f26\u306e\u5b9a\u7fa9\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u4e09\u89d2\u95a2\u6570\u3068\u3057\u3066\u306e\u6d3b\u7528\u4f8b\u307e\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002 1. \u4f59\u5f26\u306e\u57fa\u672c\u7684\u306a\u610f\u5473 \u4f59\u5f26\u306f\u3001\u4e09\u89d2\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":"","footnotes":""},"categories":[33],"tags":[],"class_list":["post-135406","post","type-post","status-publish","format-standard","hentry","category-business"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/135406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/comments?post=135406"}],"version-history":[{"count":1,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/135406\/revisions"}],"predecessor-version":[{"id":135407,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/posts\/135406\/revisions\/135407"}],"wp:attachment":[{"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/media?parent=135406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/categories?post=135406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adtechmanagement.com\/minnadepr-column\/wp-json\/wp\/v2\/tags?post=135406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}