જો $y = \sin^2 \left( \cot^{-1} \left( \sqrt{\frac{1-x}{1+x}} \right) \right)$ હોય,તો $\frac{dy}{dx} = $

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

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વિધેયને તેના સરળ સ્વરૂપમાં લખો: $\tan ^{-1}\left(\frac{1}{\sqrt{x^{2}-1}}\right), |x|>1$

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જો $x \neq n \pi, x \neq(2 n+1) \frac{\pi}{2}, n \in Z$ હોય,તો $\frac{\sin ^{-1}(\cos x)+\cos ^{-1}(\sin x)}{\tan ^{-1}(\cot x)+\cot ^{-1}(\tan x)}$ ની કિંમત શું થાય?

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