If ^ -1 [( )^ 1 2 ]+ ^ -1 [( )^ 1 2 ]=x , then sin x =
Mathematics · JEE Main · NTA Exams — Trigonometry
If \(\cot ^{-1}\left[(\cos \alpha)^{\frac{1}{2}}\right]+\tan ^{-1}\left[(\cos \alpha)^{\frac{1}{2}}\right]=x\), then sin x =
- 1
- cot2(
- tan
- cot(
Answer
(A) 1
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