જો $\theta$ કોઈ ખૂણો હોય,તો $\sin^2 \theta \cos^2 \theta =$

  • A
    $1 - \cos 2\theta$
  • B
    $1 - \cos 4\theta$
  • C
    $\frac{1}{4}(1 - \cos 4\theta)$
  • D
    $\frac{1}{8}(1 - \cos 4\theta)$

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$\tan \frac{\pi}{8}$ ની કિંમત શોધો.

જો $\cos A = \frac{3}{4}$ હોય,તો $32\sin \left( \frac{A}{2} \right)\sin \left( \frac{5A}{2} \right) = $

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જો $\tan x = \frac{3}{4}$ અને $\pi < x < \frac{3\pi}{2}$ હોય,તો $\cos \frac{x}{2}$ ની કિંમત શોધો.

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