પદાવલિ $\frac{\cos 6x + 6\cos 4x + 15\cos 2x + 10}{\cos 5x + 5\cos 3x + 10\cos x}$ ની કિંમત શોધો.

  • A
    $\cos 2x$
  • B
    $2\cos x$
  • C
    $\cos^2 x$
  • D
    $1 + \cos x$

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જો $A + B + C = 180^\circ$ હોય,તો $\frac{\sin 2A + \sin 2B + \sin 2C}{\cos A + \cos B + \cos C - 1} = $

$\sin 47^\circ + \sin 61^\circ - \sin 11^\circ - \sin 25^\circ$ ની કિંમત શોધો.

$\sqrt{2} + \sqrt{3} + \sqrt{4} + \sqrt{6}$ ની કિંમત કોના બરાબર છે?

Difficult
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જો $\frac{\cos 3A + \sin 3A}{\cos A - \sin A} = 1 - K \sin 2A$ હોય,તો $K$ ની કિંમત શોધો.

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