જો $\sin \theta + \sin 2\theta + \sin 3\theta = \sin \alpha$ અને $\cos \theta + \cos 2\theta + \cos 3\theta = \cos \alpha$ હોય,તો $\theta$ ની કિંમત શોધો.

  • A
    $\alpha / 2$
  • B
    $\alpha$
  • C
    $2\alpha$
  • D
    $\alpha / 6$

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$\sin^6 \theta + \cos^6 \theta + 3 \sin^2 \theta \cos^2 \theta = $

$\sin 105^{\circ} + \cos 105^{\circ}$ નું મૂલ્ય શું છે?

$\tan 7 \frac{1}{2}^{\circ}$ ની કિંમત કેટલી થાય?

જો $\alpha = 22^\circ 30'$ હોય,તો $(1 + \cos \alpha )(1 + \cos 3\alpha )(1 + \cos 5\alpha )(1 + \cos 7\alpha )$ ની કિંમત શોધો.

જો $\sqrt{2} \tan 2 \theta = \sqrt{6}$ અને $0^{\circ} < \theta < 45^{\circ}$ હોય,તો $\sin \theta + \sqrt{3} \cos \theta - 2 \tan^{2} \theta$ ની કિંમત શોધો.

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