inv-trig

Related Questions

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

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

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• If $x$takes non-positive permissible value, then ${{\sin }^{-1}}x$=

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• ${{\sin }^{-1}}\frac{\sqrt{x}}{\sqrt{x+a}}$ is equal to

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• If ${{\cot }^{-1}}\alpha +{{\cot }^{-1}}\beta ={{\cot }^{-1}}x,$then $x=$

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