$\cot ^{ - 1}\left[ \frac{\sqrt {1 - \sin x} + \sqrt {1 + \sin x}}{\sqrt {1 - \sin x} - \sqrt {1 + \sin x}} \right] = $

  • A
    $\pi - x$
  • B
    $2\pi - x$
  • C
    $\frac{x}{2}$
  • D
    $\pi - \frac{x}{2}$

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Similar Questions

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

$x$ का वह मान,जिसके लिए $\sin \left(\cot ^{-1}(x)\right)=\cos \left(\tan ^{-1}(1+x)\right)$ है,है

$\frac{1}{2}{\cos ^{ - 1}}\left( {\frac{{1 - x}}{{1 + x}}} \right) = $

यदि $\sec^{-1} x = \csc^{-1} y$ है,तो $\cos^{-1} \frac{1}{x} + \cos^{-1} \frac{1}{y} = $

मान लीजिए $f(\theta) = \sin ( \tan ^{-1} ( \frac{\sin \theta}{\sqrt{\cos 2 \theta}} ) )$,जहाँ $-\frac{\pi}{4} < \theta < \frac{\pi}{4}$,तो $\frac{d}{d(\tan \theta)}(f(\theta))$ का मान ज्ञात कीजिए।

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