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।

  • A
    $-1$
  • B
    $1$
  • C
    $\frac{1}{\sqrt{2}}$
  • D
    $\sqrt{2}$

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मान ज्ञात कीजिए: $\tan^{-1} \left( \frac{1 - x^2}{2x} \right) + \cos^{-1} \left( \frac{1 - x^2}{1 + x^2} \right)$

यदि $y = \sin^2 \left( \cot^{-1} \left( \sqrt{\frac{1-x}{1+x}} \right) \right)$ है,तो $\frac{dy}{dx} = $

यदि $\operatorname{Tan}^{-1}\left[\frac{1}{1+1(2)}\right]+\operatorname{Tan}^{-1}\left[\frac{1}{1+(2)(3)}\right]+\operatorname{Tan}^{-1}\left[\frac{1}{1+(3)(4)}\right]+\cdots+\operatorname{Tan}^{-1}\left[\frac{1}{1+n(n+1)}\right]=\operatorname{Tan}^{-1} \theta$ है,तो $\theta=$

$ \cos \left[2 \sin ^{-1} \frac{3}{4} + \cos ^{-1} \frac{3}{4}\right] $

$\frac{d}{dx}(\sin^{-1}(3x - 4x^3)) = $

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