જો $\cos \theta - \sin \theta = \sqrt{2} \sin \theta$ હોય, તો $\cos \theta + \sin \theta$ ની કિંમત શોધો.

  • A
    $\sqrt{2} \cos \theta$
  • B
    $\sqrt{2} \sin \theta$
  • C
    $2 \cos \theta$
  • D
    $-\sqrt{2} \cos \theta$

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સમીકરણ $e^{\sin x} - e^{-\sin x} - 4 = 0$ ના વાસ્તવિક ઉકેલોની સંખ્યા કેટલી છે?

ધારો કે $S = \left\{ \theta \in \left( 0, \frac{\pi}{2} \right) : \sum_{m=1}^{9} \sec \left( \theta + (m-1) \frac{\pi}{6} \right) \sec \left( \theta + \frac{m \pi}{6} \right) = -\frac{8}{\sqrt{3}} \right\}$. તો:

$\frac{1}{\sin 10^\circ} - \frac{\sqrt{3}}{\cos 10^\circ} =$

પદાવલિ $\sqrt{3} \operatorname{cosec} 20^{\circ}-\sec 20^{\circ}$ ની કિંમત કેટલી થાય?

જો $15 \sin^{4} \alpha + 10 \cos^{4} \alpha = 6$ કોઈ $\alpha \in R$ માટે હોય,તો $27 \sec^{6} \alpha + 8 \operatorname{cosec}^{6} \alpha$ ની કિંમત ....... થશે.

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