જો $\alpha = \frac{180^{\circ}}{7}$ હોય,તો $3 \sin \alpha - 4 \sin^{3} \alpha$ ની કિંમત કેટલી થાય?

  • A
    $\cos 4 \alpha$
  • B
    $\sin 4 \alpha$
  • C
    $\cos 3 \alpha$
  • D
    $0$

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

$\frac{1}{\tan 3A - \tan A} - \frac{1}{\cot 3A - \cot A} = $

જો $\sqrt{\frac{1+\cos A}{1-\cos A}}=\frac{x}{y}$ હોય,તો $\tan A$ ની કિંમત કેટલી થાય?

$(\sec 2A + 1)\sec^2 A = $

$\sqrt{2+\sqrt{2+\sqrt{2+2 \cos 8 \theta}}} = $

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