$\sin [\cot ^{ - 1}(\cos \tan ^{ - 1}x)] =$

  • A
    $\sqrt{\frac{x^2+1}{x^2+2}}$
  • B
    $\frac{x}{\sqrt{x^2+1}}$
  • C
    $\frac{1}{\sqrt{x^2+2}}$
  • D
    $\sqrt{\frac{x^2+1}{x^2+2}}$

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Similar Questions

$\cot ^{-1}\left(\frac{\sqrt{1+\tan ^2(2)}-1}{\tan (2)}\right)-\cot ^{-1}\left(\frac{\sqrt{1+\tan ^2\left(\frac{1}{2}\right)}+1}{\tan \left(\frac{1}{2}\right)}\right)$ का मान ज्ञात कीजिए।

$\sec ^2(\tan ^{-1} 2)+\operatorname{cosec}^2(\cot ^{-1} 3) = $

$\cos ^{-1}\left(\frac{-1}{2}\right)-2 \sin ^{-1}\left(\frac{1}{2}\right)+3 \cos ^{-1}\left(\frac{-1}{\sqrt{2}}\right)-4 \tan ^{-1}(-1)$ का मान ज्ञात कीजिए।

मान ज्ञात कीजिए: $\cot ^{ - 1}\left(\frac{xy + 1}{x - y}\right) + \cot ^{ - 1}\left(\frac{yz + 1}{y - z}\right) + \cot ^{ - 1}\left(\frac{zx + 1}{z - x}\right)$

यदि $\cos^{-1} p + \cos^{-1} q + \cos^{-1} r = \pi$ है,तो $p^2 + q^2 + r^2 + 2pqr = $

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