જો $\alpha$ એ $25\cos^2\theta + 5\cos\theta - 12 = 0$ નું બીજ હોય અને $\pi/2 < \alpha < \pi$ હોય,તો $\sin 2\alpha$ ની કિંમત શોધો.

  • A
    $24/25$
  • B
    $-24/25$
  • C
    $13/18$
  • D
    $-13/18$

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જો $\tan A = \frac{1}{2}$ અને $\tan B = \frac{1}{3}$ હોય,તો $A + B$ ની કિંમત શોધો.

$\tan 1^{\circ} \tan 2^{\circ} \ldots \tan 89^{\circ}$ નું મૂલ્ય શું છે?

$\tan 5x \tan 3x \tan 2x = ?$

$\frac{1+\sin \theta-\cos \theta}{1+\sin \theta+\cos \theta}$ ની કિંમત શોધો.

જો $\sin \theta + \csc \theta = 2$ હોય,તો $\sin^2 \theta + \csc^2 \theta = $

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