मान ज्ञात कीजिए:
$\frac{\sin 18^{\circ}}{\cos 72^{\circ}}$

  • A
    $0$
  • B
    $-1$
  • C
    $1$
  • D
    $10$

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Similar Questions

मान ज्ञात कीजिए:
$\frac{\sin ^{2} 63^{\circ}+\sin ^{2} 27^{\circ}}{\cos ^{2} 17^{\circ}+\cos ^{2} 73^{\circ}}$

निम्नलिखित का मूल्यांकन कीजिए:
$\frac{5 \cos ^{2} 60^{\circ}+4 \sec ^{2} 30^{\circ}-\tan ^{2} 45^{\circ}}{\sin ^{2} 30^{\circ}+\cos ^{2} 30^{\circ}}$ ($/12$ में)

निम्नलिखित का मूल्यांकन करें:
$\sin 60^{\circ} \cos 30^{\circ} + \sin 30^{\circ} \cos 60^{\circ}$

यदि $\tan \theta = 1$ है,तो $\sin \theta \cdot \cos \theta = \dots$

यदि $\operatorname{cosec} \theta = \frac{2}{\sqrt{3}}$ है,तो $\theta = \ldots$ ($^\circ$ में)

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