$\tan \left[ \frac{1}{2} \cos^{-1} \left( \frac{\sqrt{5}}{3} \right) \right] = $

  • A
    $\frac{3 - \sqrt{5}}{2}$
  • B
    $\frac{3 + \sqrt{5}}{2}$
  • C
    $\frac{2}{3 - \sqrt{5}}$
  • D
    આમાંથી કોઈ નહીં

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$\tan ^{-1}\left(\tan \frac{31 \pi}{6}\right)=$ . . . . . . .

$\coth^{-1}(2) + \operatorname{cosech}^{-1}(-2\sqrt{2}) = $

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

$\tanh ^{-1}\left(\frac{1}{2}\right)+\operatorname{coth}^{-1}(2)$ ની કિંમત શોધો.

જો $\cos ^{-1} x = \sin ^{-1}(3x)$ હોય,તો $x$ ની કિંમત શોધો.

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