$1 + \cos 56^\circ + \cos 58^\circ - \cos 66^\circ = $

  • A
    $2 \cos 28^\circ \cos 29^\circ \cos 33^\circ $
  • B
    $4 \cos 28^\circ \cos 29^\circ \cos 33^\circ $
  • C
    $4 \cos 28^\circ \cos 29^\circ \sin 33^\circ $
  • D
    $2 \cos 28^\circ \cos 29^\circ \sin 33^\circ $

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Similar Questions

$\sin 12^\circ \sin 24^\circ \sin 48^\circ \sin 84^\circ = $

જો $\theta+\phi=\alpha$ અને $\tan \theta=k \tan \phi$ (જ્યાં $k>1$) હોય,તો $\sin (\theta-\phi)$ નું મૂલ્ય શું થાય?

જો $\sin \theta + \operatorname{cosec} \theta = 4$ હોય,તો $\sin^2 \theta + \operatorname{cosec}^2 \theta = $

કિંમત શોધો: $\cos^2 76^\circ + \cos^2 16^\circ - \cos 76^\circ \cos 16^\circ$

$\sqrt{3} \operatorname{cosec} 20^{\circ} - \sec 20^{\circ}$ ની કિંમત શોધો.

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