જો $y = \tan^{-1} \left[ \sqrt{\frac{1 + \cos(x/2)}{1 - \cos(x/2)}} \right]$ હોય,તો $\frac{dy}{dx} = $

  • A
    $\frac{-1}{3}$
  • B
    $\frac{-1}{4}$
  • C
    $\frac{1}{3}$
  • D
    $\frac{1}{4}$

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$\tan ^{-1}(-\sqrt{3})-\sin ^{-1}\left(\frac{1}{\sqrt{2}}\right)+\cos ^{-1}\left(\frac{-1}{2}\right)$ ની કિંમત શોધો.

જો $\sin ^{-1}(4 x)-\cos ^{-1}(3 x)=\frac{\pi}{6}$ હોય, તો $x=$

જો $\sin^{-1} \frac{1}{2} = \tan^{-1} x$ હોય, તો $x =$

ધારો કે $\mathop {Lim}\limits_{x \to 0} \sec^{-1} \left( \frac{x}{\sin x} \right) = l$ અને $\mathop {Lim}\limits_{x \to 0} \sec^{-1} \left( \frac{x}{\tan x} \right) = m$,તો

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