જો $\sin^3 x \sin 3x = \sum_{m=0}^n c_m \cos mx$ હોય,જ્યાં $c_0, c_1, c_2, \dots, c_n$ અચળાંકો છે અને $c_n \neq 0$,તો $n$ ની કિંમત શોધો.

  • A
    $15$
  • B
    $6$
  • C
    $1$
  • D
    $0$

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Similar Questions

જો $33\theta = \pi$ હોય, તો $\cos \theta \cos 2\theta \cos 4\theta \cos 8\theta \cos 16\theta$ ની કિંમત શોધો.

જો $\cos^3 \theta + \cos^3 \left(\frac{2 \pi}{3} + \theta\right) + \cos^3 \left(\frac{4 \pi}{3} + \theta\right) = \alpha \cos 3 \theta$ હોય,તો $\alpha$ ની કિંમત શોધો.

જો $\sqrt{\frac{1+\cos A}{1-\cos A}}=\frac{x}{y}$ હોય,તો $\tan A$ ની કિંમત કેટલી થાય?

જો $\sin \theta - \cos \theta = \frac{1}{\sqrt{3}}$ હોય,તો $\sin(2\theta) + \cos(4\theta) + \sin(6\theta) = $

$(1+\sec 2\theta)(1+\sec 4\theta) = $

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