$\sin (45^{\circ}+\theta)-\cos (45^{\circ}-\theta)$ का मान किसके बराबर है?

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

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Similar Questions

सिद्ध कीजिए कि $\sqrt{\sec ^{2} \theta+\operatorname{cosec}^{2} \theta}=\tan \theta+\cot \theta$

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यदि $\triangle ABC$ में $C$ पर समकोण है,तो $\cos(A + B)$ का मान ज्ञात कीजिए।

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

यदि $\cot \theta = \frac{a}{b}$ है,तो $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

यदि $\tan ^{2} \theta = \sin ^{2} \theta + \cos ^{2} \theta$ है,तो $\theta = \ldots$ ($^{\circ}$ में)

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