inv-trig

Related Questions

• If ${{\cos }^{-1}}\frac{3}{5}-{{\sin }^{-1}}\frac{4}{5}={{\cos }^{-1}}x,$then $x =$

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• If $\frac{\pi }{2}\le x\le \frac{3\pi }{2},$then${{\sin }^{-1}}(\sin x)$is equal to

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• ${{\tan }^{-1}}\left( \frac{1}{4} \right)+{{\tan }^{-1}}\left( \frac{2}{9} \right)=$

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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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• ${{\sec }^{2}}({{\tan }^{-1}}2)+\text{cose}{{\text{c}}^{2}}({{\cot }^{-1}}3)=$

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