{"id":7187,"date":"2021-10-23T00:13:14","date_gmt":"2021-10-22T18:43:14","guid":{"rendered":"https:\/\/mathemerize.com\/?p=7187"},"modified":"2021-10-25T00:21:12","modified_gmt":"2021-10-24T18:51:12","slug":"the-value-of-tan-11-cos-1-1over-2-sin-1-1over-2-is-equal-to","status":"publish","type":"post","link":"https:\/\/mathemerize.com\/the-value-of-tan-11-cos-1-1over-2-sin-1-1over-2-is-equal-to\/","title":{"rendered":"The value of \\(tan^{-1}(1)\\) + \\(cos^{-1}({-1\\over 2})\\) + \\(sin^{-1}({-1\\over 2})\\) is equal to"},"content":{"rendered":"
We have, \\(tan^{-1}(1)\\) + \\(cos^{-1}({-1\\over 2})\\) + \\(sin^{-1}({-1\\over 2})\\)<\/p>\n
= \\(\\pi\\over 4\\) + \\(2\\pi\\over 3\\) – \\(\\pi\\over 6\\) = \\(3\\pi\\over 4\\)<\/p>\n
Solve the equation : 2\\(tan^{-1}({2x+1})\\) = \\(cos^{-1}x\\)<\/a><\/p>\n Prove that : \\(sin^{-1}{12\\over 13}\\) + \\(cot^{-1}{4\\over 3}\\) + \\(tan^{-1}{63\\over 16}\\) = \\(\\pi\\)<\/a><\/p>\n Evaluate \\(sin^{-1}(sin10)\\)<\/a><\/p>\n Prove that : \\(cos^{-1}{12\\over 13}\\) + \\(sin^{-1}{3\\over 5}\\) = \\(sin^{-1}{56\\over 65}\\)<\/a><\/p>\n