inv-trig

Related Questions

• If ${{({{\tan }^{-1}}x)}^{2}}+{{({{\cot }^{-1}}x)}^{2}}=\frac{5{{\pi }^{2}}}{8},$then $x$ equals

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• If ${{\cot }^{-1}}x+{{\tan }^{-1}}3=\frac{\pi }{2}$, then $x =$

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• If ${{\sin }^{-1}}\frac{x}{5}+\text{cose}{{\text{c}}^{-1}}\left( \frac{5}{4} \right)=\frac{\pi }{2},$then $x=$

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• If ${{\sin }^{-1}}x=\theta +\beta $and ${{\sin }^{-1}}y=\theta -\beta ,$then $1+xy=$

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• ${{\sin }^{-1}}x+{{\cos }^{-1}}x$ is equal to

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