જો $0 < \theta < \frac{\pi}{2}$ અને $\tan 3 \theta \neq 0$ હોય, તો $\tan \theta + \tan 2 \theta + \tan 3 \theta = 0$ થાય જો $\tan \theta \cdot \tan 2 \theta = k$ હોય, જ્યાં $k =$

  • A
    $1$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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જો $\tan^2 \theta = 2\tan^2 \phi + 1$ હોય,તો $\cos 2\theta + \sin^2 \phi$ ની કિંમત શોધો.

જો ${\cos ^6}\alpha + {\sin ^6}\alpha + K{\sin ^2}2\alpha = 1$ હોય,તો $K =$

$\sqrt{3} \, \text{cosec} \, 20^\circ - \text{sec} \, 20^\circ$ ની કિંમત શું છે?

Difficult
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કિંમત શોધો: $\sin \frac{\pi}{12} \sin \frac{2 \pi}{12} \sin \frac{3 \pi}{12} \sin \frac{4 \pi}{12} \sin \frac{5 \pi}{12} \sin \frac{6 \pi}{12}$

જો $\sin x \cosh y = \cos \theta$ અને $\cos x \sinh y = \sin \theta$ હોય,તો $\sin^2 x + \cosh^2 y =$

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