inv-trig

Related Questions

• 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 ${{\tan }^{-1}}(x-1)+{{\tan }^{-1}}x+{{\tan }^{-1}}(x+1)={{\tan }^{-1}}3x$,then x =

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• ${{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}$=

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

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• If $k\le {{\sin }^{-1}}x+{{\cos }^{-1}}x+{{\tan }^{-1}}x\le K,$then

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