यदि $\sin \theta + \operatorname{cosec} \theta = 4$ है,तो $\sin^2 \theta + \operatorname{cosec}^2 \theta = $

  • A
    $12$
  • B
    $18$
  • C
    $16$
  • D
    $14$

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Similar Questions

यदि $\sin 10^{\circ} \sin 50^{\circ} \sin 60^{\circ} \sin 70^{\circ} = m$ और $\tan 20^{\circ} \tan 40^{\circ} \tan 60^{\circ} \tan 80^{\circ} = n$ है,तो $\frac{n}{m}$ का मान ज्ञात कीजिए।

$\frac{\sqrt{2} \cos 45^{\circ}+\cos 56^{\circ}+\cos 58^{\circ}-\cos 66^{\circ}}{\sqrt{2} \cos 28^{\circ} \cos 29^{\circ} \sin 33^{\circ}} = ?$

$3\left[ \sin^4\left( \frac{3\pi}{2} - \alpha \right) + \sin^4(3\pi + \alpha) \right] - 2\left[ \sin^6\left( \frac{\pi}{2} + \alpha \right) + \sin^6(5\pi - \alpha) \right] = $

यदि $\cosh 2x = 199$ है,तो $\coth x$ का मान ज्ञात कीजिए।

$\tan 9^{\circ}-\tan 27^{\circ}-\tan 63^{\circ}+\tan 81^{\circ}=$

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