inv-trig

Related Questions

• The principal value of ${{\sin }^{-1}}\left( -\,\,\frac{\sqrt{3}}{2} \right)$is

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

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• ${{\tan }^{-1}}\left( \frac{1}{11} \right)+{{\tan }^{-1}}\left( \frac{2}{12} \right)=$

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• If $\theta ={{\sin }^{-1}}[\sin (-{{600}^{o}})]$, then one of the possible value of $\theta $is

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• If ${{\tan }^{-1}}\frac{x-1}{x+1}+{{\tan }^{-1}}\frac{2x-1}{2x+1}={{\tan }^{-1}}\frac{23}{36},$then $x =$

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