यदि $\sin x = \sin 60^{\circ} \cdot \cos 30^{\circ} - \cos 60^{\circ} \cdot \sin 30^{\circ}$ है,तो $x = \ldots$ ($^{\circ}$ में)

  • A
    $0$
  • B
    $30$
  • C
    $45$
  • D
    $60$

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Similar Questions

यदि $\sin ^{2}(3 x+30^{\circ})+\cos ^{2}(2 x+45^{\circ})=1$ है,तो $x = \dots$ ($^{\circ}$ में)

सिद्ध कीजिए कि $\frac{\cos ^{2}\left(45^{\circ}+\theta\right)+\cos ^{2}\left(45^{\circ}-\theta\right)}{\tan \left(60^{\circ}+\theta\right) \tan \left(30^{\circ}-\theta\right)}=1$

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

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

सिद्ध कीजिए कि $\frac{1+\sec \theta-\tan \theta}{1+\sec \theta+\tan \theta}=\frac{1-\sin \theta}{\cos \theta}$

Difficult
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