$\sin^{2} \theta + \sin^{2}(\theta + 60^{\circ}) + \sin^{2}(\theta - 60^{\circ})$ નું મૂલ્ય શોધો.

  • A
    $\frac{1}{2}$
  • B
    $0$
  • C
    $\frac{3}{2}$
  • D
    આમાંથી કોઈ નહીં

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