જો $x=-\frac{1}{2}$ હોય,તો $\sinh ^{-1} x+\operatorname{cosech}^{-1} x=$

  • A
    $\log _e\left(\frac{7-3 \sqrt{5}}{2}\right)$
  • B
    $\log _6\left(\frac{3+\sqrt{5}}{2}\right)$
  • C
    $\log _e\left[\frac{(\sqrt{5}-1)(2+\sqrt{3})}{2}\right]$
  • D
    $\log _e\left[\frac{(\sqrt{5}+1)(2+\sqrt{3})}{2}\right]$

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$\cos^2 76^{\circ} + \cos^2 16^{\circ} - \cos 76^{\circ} \cos 16^{\circ}$ ની કિંમત શોધો.

$\sqrt{3} \cot 20^{\circ} - 4 \cos 20^{\circ}$ નું મૂલ્ય કેટલું થાય?

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જો $\sinh u = \tan \theta$ હોય,તો $\cosh u$ ની કિંમત શું થાય?

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