$\frac{\cos 50^{\circ}}{\sin 40^{\circ}} + \frac{\sin 15^{\circ}}{\cos 75^{\circ}} = \ldots \ldots \ldots \ldots$

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

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Similar Questions

$\sin \theta \cdot \cos (90^\circ - \theta) = \ldots \ldots \ldots$

यदि $\sec \theta = \frac{13}{5}$ है,तो $\cos \theta = \ldots \ldots \ldots \ldots$

सिद्ध कीजिए कि:
यदि $\tan A = \frac{3}{4}$ है,तो $\sin A \cos A = \frac{12}{25}$

यदि $\cos A = \frac{4}{5}$ है,तो $\tan A$ का मान ज्ञात कीजिए।

$\triangle OPQ$ में,$P$ पर समकोण है,$OP = 7\, cm$ और $OQ - PQ = 1\, cm$ है। $\sin Q$ और $\cos Q$ के मान ज्ञात कीजिए।

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