જો $\cos(\theta_1) + \cos(\theta_2) + \cos(\theta_3) + \cos(\theta_4) = -4$ હોય,તો $\cot(\frac{\theta_1}{2}) + \cot(\frac{\theta_2}{2}) + \cot(\frac{\theta_3}{2}) + \cot(\frac{\theta_4}{2})$ ની કિંમત શોધો.

  • A
    $4$
  • B
    $1$
  • C
    $2$
  • D
    $0$

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જો $\tan \theta \cdot \tan \left(120^{\circ}-\theta\right) \tan \left(120^{\circ}+\theta\right)=\frac{1}{\sqrt{3}}$ હોય,તો $\theta$ ની કિંમત શોધો.

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