inv-trig

Related Questions

• ${{\cot }^{-1}}\frac{3}{4}+{{\sin }^{-1}}\frac{5}{13}=$

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• ${{\tan }^{-1}}\left( \frac{x}{y} \right)-{{\tan }^{-1}}\,\left( \frac{x-y}{x+y} \right)$ is

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

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• ${{\cos }^{-1}}\left( \frac{15}{17} \right)+2{{\tan }^{-1}}\left( \frac{1}{5} \right)=$

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

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