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

  • A
    $\tan \theta$
  • B
    $\sin^2 \theta$
  • C
    $\cos^2 \theta$
  • D
    $\sin \theta \cdot \sec \theta$

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Similar Questions

यदि $\sin \alpha = \frac{1}{2}$ और $\cos \beta = \frac{1}{2}$ है,तो $(\alpha + \beta)$ का मान क्या होगा ($^{\circ}$ में)?

यदि $\sin A = \frac{1}{2}$ है,तो $\cot A$ का मान ज्ञात कीजिए।

दिया गया है कि $\alpha + \beta = 90^{\circ}$,तो सिद्ध कीजिए कि $\sqrt{\cos \alpha \operatorname{cosec} \beta - \cos \alpha \sin \beta} = \sin \alpha$.

$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

सिद्ध कीजिए कि $\tan ^{4} \theta+\tan ^{2} \theta=\sec ^{4} \theta-\sec ^{2} \theta$

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