$\sin 48^{\circ} \sec 42^{\circ} + \cos 48^{\circ} \operatorname{cosec} 42^{\circ} = \ldots \ldots \ldots \ldots$

  • A
    $2$
  • B
    $1$
  • C
    $\frac{3}{4}$
  • D
    $0$

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

यदि $\sin \theta + \sin^2 \theta = 1$ है,तो $\cos^2 \theta + \cos^4 \theta = \dots$

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यदि $\sec ^{2} \theta+\tan ^{2} \theta=\frac{13}{12}$ है,तो $\sec ^{4} \theta-\tan ^{4} \theta$ का मान ......... है।

यदि $3 \sin \theta = 4 \cos \theta$ है,तो $\tan \theta = \ldots$

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