$\tan \frac{\pi}{8}$ ની કિંમત શોધો.

  • A
    $\sqrt{2} + 1$
  • B
    $\sqrt{2} - 1$
  • C
    $\sqrt{3} - 1$
  • D
    $\sqrt{3} + 1$

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જો $\theta$ બીજા ચરણમાં ન હોય અને $\tan \theta = \frac{-3}{4}$ હોય,તો $\tan \frac{\theta}{2} + \sin 2 \theta =$

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.

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સાબિત કરો કે: $\cos 6x = 32 \cos^6 x - 48 \cos^4 x + 18 \cos^2 x - 1$

$\frac{\sin \theta + \sin 2\theta}{1 + \cos \theta + \cos 2\theta} = $

$\tan 3A - \tan 2A - \tan A = $

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