જો $3 \sin 2 \theta = 2 \sin 3 \theta$ અને $0 < \theta < \pi$ હોય,તો $\sin \theta$ ની કિંમત કેટલી થાય?

  • A
    $\frac{\sqrt{17}}{4}$
  • B
    $\frac{\sqrt{5}}{4}$
  • C
    $\frac{\sqrt{3}}{4}$
  • D
    $\frac{\sqrt{15}}{4}$

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

$\sin 10^{\circ} \cdot \sin 30^{\circ} \cdot \sin 50^{\circ} \cdot \sin 70^{\circ}$ નું મૂલ્ય શું છે?

જો $3 \sin \theta = 2 \sin 3 \theta$ અને $0 < \theta < \pi$ હોય,તો $\sin \theta =$

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