inv-trig

Related Questions

• $\cos \left[ {{\tan }^{-1}}\frac{1}{3}+{{\tan }^{-1}}\frac{1}{2} \right]=$

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• ${{\cot }^{-1}}3+\text{cose}{{\text{c}}^{-1}}\sqrt{5}$=

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• $\sin \left( \frac{1}{2}{{\cos }^{-1}}\frac{4}{5} \right)=$

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• ${{\tan }^{-1}}\frac{1}{\sqrt{{{x}^{2}}-1}}=$

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• The value of ${{\cos }^{-1}}(\cos 12)-{{\sin }^{-1}}(\sin 14)$ is

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