$\frac{\cos 15^{\circ} \cos^2 22\frac{1}{2}^{\circ} - \sin 75^{\circ} \sin^2 52\frac{1}{2}^{\circ}}{\cos^2 15^{\circ} - \cos^2 75^{\circ}} = $

  • A
    $1$
  • B
    $\frac{1}{2}$
  • C
    $\frac{1}{4}$
  • D
    $\frac{1}{8}$

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Similar Questions

સમીકરણ $e^{\sin x} - e^{-\sin x} - 4 = 0$ ના વાસ્તવિક ઉકેલોની સંખ્યા કેટલી છે?

જો $r \sin \theta = 3$ અને $r = 4(1 + \sin \theta)$ હોય,જ્યાં $0 \le \theta \le 2\pi$,તો $\theta = $

$R$ થી $R$ પર વ્યાખ્યાયિત નીચેના વિધેયોમાંથી,અચળ વિધેય કયું છે?

$\sin ^4 \frac{\pi}{8}+\cos ^4 \frac{\pi}{8}+\sin ^4 \frac{3 \pi}{8}+\cos ^4 \frac{3 \pi}{8}+\sin ^4 \frac{5 \pi}{8}+\cos ^4 \frac{5 \pi}{8}+\sin ^4 \frac{7 \pi}{8}+\cos ^4 \frac{7 \pi}{8}=$

$\sin ^2 76^{\circ}+\sin ^2 16^{\circ}-\sin 76^{\circ} \sin 16^{\circ} = $

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