$(\sin \theta+\cos \theta)^{2}+(\sin \theta-\cos \theta)^{2} = \dots$

  • A
    $4 \sin \theta \cos \theta$
  • B
    $2$
  • C
    $1$
  • D
    $0$

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यदि $\sqrt{3} \tan \theta = 1$ है,तो $\sin^{2} \theta - \cos^{2} \theta$ का मान ज्ञात कीजिए।

$\sin^{2} 60^{\circ} - \tan 45^{\circ} + \cos^{2} 30^{\circ} - \cot 90^{\circ} = \ldots$

यदि $\sin \theta = \frac{1}{2}$ है,तो $\theta = \ldots \ldots \ldots \ldots$ ($^\circ$ में)

यदि $\sec \theta = \frac{5}{3}$ है,तो $\tan \theta = \ldots$

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