જો $x = \sin (2 \tan^{-1} 2)$,$y = \cos (2 \tan^{-1} 3)$,અને $z = \sec (2 \tan^{-1} 4)$ હોય,તો:

  • A
    $x < y < z$
  • B
    $y < z < x$
  • C
    $z < x < y$
  • D
    $z < y < x$

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જો $y=\cos ^{-1}\left(\frac{a^2-x^2}{a^2+x^2}\right)+\sin ^{-1}\left(\frac{2 a x}{a^2+x^2}\right)$ હોય,તો $\frac{d y}{d x}$ ની કિંમત શોધો.

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$\sin ^{-1}(\sin 100) + \cos ^{-1}(\cos 100) + \tan ^{-1}(\tan 100) + \cot ^{-1}(\cot 100)$ ની કિંમત શું થાય?

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$x \in (-1, 1]$ માટે,સમીકરણ $\sin^{-1} x = 2 \tan^{-1} x$ ના ઉકેલોની સંખ્યા કેટલી છે?

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