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

  • A
    $\frac{97}{75}$
  • B
    $\frac{-97}{75}$
  • C
    $\frac{-47}{75}$
  • D
    $\frac{47}{75}$

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$\cos ^3 \theta + \cos ^3(120^{\circ} + \theta) + \cos ^3(\theta - 120^{\circ}) = $

$\sin 20^\circ \sin 40^\circ \sin 60^\circ \sin 80^\circ = $

જો $\tan A < 0$ અને $\tan 2A = -\frac{4}{3}$ હોય,તો $\cos 6A =$

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