inv-trig

Related Questions

• If $\tan (x+y)=33$and $x={{\tan }^{-1}}3,$then y will be

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• $\sec (\text{cose}{{\text{c}}^{-1}}x)$ is equal to

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

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• If ${{\sin }^{-1}}(1-x)-2{{\sin }^{-1}}x=\pi /2$, then x equals

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• ${{\cos }^{-1}}\left( \cos \frac{7\pi }{6} \right)=$

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