પદાવલિ $\left[\frac{\sin ^{2} 22^{\circ}+\sin ^{2} 68^{\circ}}{\cos ^{2} 22^{\circ}+\cos ^{2} 68^{\circ}}+\sin ^{2} 63^{\circ}+\cos 63^{\circ} \sin 27^{\circ}\right]$ ની કિંમત શોધો.

  • A
    $3$
  • B
    $1$
  • C
    $2$
  • D
    $0$

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જો $\sin \theta + \cos \theta = \sqrt{3}$ હોય,તો સાબિત કરો કે $\tan \theta + \cot \theta = 1$.

જો $\cos 9 \alpha = \sin \alpha$ અને $9 \alpha < 90^{\circ}$ હોય,તો $\tan 5 \alpha$ ની કિંમત શોધો.

જો $\sin 5 \theta = \cos 5 \theta$ હોય,તો $\theta$ ની કિંમત .......... છે.

$\frac{\sec \theta-1}{\sec \theta+1} = \ldots$

$(1-\cos \theta)(1+\cos \theta) = \dots$

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