inv-trig

Related Questions

• $\frac{1}{2}{{\cos }^{-1}}\left( \frac{1-x}{1+x} \right)=$

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• If ${{\cos }^{-1}}x+{{\cos }^{-1}}y=2\pi ,$then ${{\sin }^{-1}}x+{{\sin }^{-1}}y$is equal to

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• If $a<\frac{1}{32},$ then the number of solution of ${{({{\sin }^{-1}}x)}^{3}}+{{({{\cos }^{-1}}x)}^{3}}=a{{\pi }^{3}}$ is

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• $\tan \left[ \frac{1}{2}{{\sin }^{-1}}\left( \frac{2a}{1+{{a}^{2}}} \right)+\frac{1}{2}{{\cos }^{-1}}\left( \frac{1-{{a}^{2}}}{1+{{a}^{2}}} \right) \right]=$

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• $\tan \left( 2{{\cos }^{-1}}\frac{3}{5} \right)=$

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