inv-trig

Related Questions

• $\sin \left[ \frac{\pi }{2}-{{\sin }^{-1}}\left( -\frac{\sqrt{3}}{2} \right) \right]=$

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• $1+{{\cot }^{2}}({{\sin }^{-1}}x)=$

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• ${{\sec }^{-1}}[\sec (-{{30}^{o}})]=$

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• If ${{\tan }^{-1}}x+{{\tan }^{-1}}y=\frac{\pi }{4}$ then

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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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