inv-trig

Related Questions

• $3{{\tan }^{-1}}a$is equal to

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• ${{\tan }^{-1}}\frac{a-b}{1+ab}+{{\tan }^{-1}}\frac{b-c}{1+bc}=$

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• For the equation ${{\cos }^{-1}}x+{{\cos }^{-1}}2x+\pi =0$, the number of real solution is

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• ${{\sin }^{-1}}\left[ x\sqrt{1-x}-\sqrt{x}\sqrt{1-{{x}^{2}}} \right]=$

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• $1+{{\cot }^{2}}({{\sin }^{-1}}x)=$

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