જો $\frac{2\sin \alpha}{1 + \cos \alpha + \sin \alpha} = y$ હોય,તો $\frac{1 - \cos \alpha + \sin \alpha}{1 + \sin \alpha} = $

  • A
    $1/y$
  • B
    $y$
  • C
    $1 - y$
  • D
    $1 + y$

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

જો $\tan \frac{\theta}{2} = t$ હોય,તો $\frac{1 - t^2}{1 + t^2}$ ની કિંમત શું થાય?

$\sqrt{2 + \sqrt{2 + 2\cos 4\theta}} = $

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