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

  • A
    $0$
  • B
    $\frac{1}{2}$
  • C
    $\frac{3}{4}$
  • D
    $\frac{3}{2}$

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જો $\sinh x = \frac{\sqrt{21}}{2}$ હોય,તો $\cosh 2x + \sinh 2x = $

$\sin ^6(\theta) + \cos ^6(\theta) + 3 \sin ^2(\theta) \cos ^2(\theta)$ નું મૂલ્ય શું છે?

$\tan \frac{\pi}{5}+2 \tan \frac{2 \pi}{5}+4 \cot \frac{4 \pi}{5}$ ની કિંમત શોધો.

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