inv-trig

Related Questions

• $\cos \left[ {{\tan }^{-1}}\frac{1}{3}+{{\tan }^{-1}}\frac{1}{2} \right]=$

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• If ${{\cos }^{-1}}\sqrt{p}+{{\cos }^{-1}}\sqrt{1-p}+{{\cos }^{-1}}\sqrt{1-q}=\frac{3\pi }{4},$ then the value of q is

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• The value of ${{\sin }^{-1}}(\sin 10)$is

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• ${{\tan }^{-1}}\frac{1}{2}+{{\tan }^{-1}}\frac{1}{3} =$

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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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