inv-trig

Related Questions

• The value of $\sin \left( 2{{\tan }^{-1}}\left( \frac{1}{3} \right) \right)+\cos ({{\tan }^{-1}}2\sqrt{2})=$

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

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• ${{\sin }^{-1}}\left( \frac{3}{5} \right)+{{\tan }^{-1}}\left( \frac{1}{7} \right)=$

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

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• If $4{{\sin }^{-1}}x+{{\cos }^{-1}}x=\pi ,$then$x$is equal to

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