inv-trig

Related Questions

• If $\pi \le x\le 2\pi $, then ${{\cos }^{-1}}(\cos x)$is equal to

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• If $a<\frac{1}{32},$ then the number of solution of ${{({{\sin }^{-1}}x)}^{3}}+{{({{\cos }^{-1}}x)}^{3}}=a{{\pi }^{3}}$ is

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

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• ${{\cos }^{-1}}\sqrt{1-x}+{{\sin }^{-1}}\sqrt{1-x}=$

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• If ${{\cos }^{-1}}x+{{\cos }^{-1}}y+{{\cos }^{-1}}z=3\pi ,$then $xy+yz+zx=$

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