inv-trig

Related Questions

• The value of ${{\cos }^{-1}}\left( \cos \frac{5\pi }{3} \right)+{{\sin }^{-1}}\left( \sin \frac{5\pi }{3} \right)$is

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

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

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• A solution of the equation ${{\tan }^{-1}}(1+x)$ $+{{\tan }^{-1}}(1-x)$ $=\frac{\pi }{2}$ is

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• ${{\cot }^{-1}}(-\sqrt{3})$=

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