જો $\sqrt{3} \tan \theta = 1$ હોય,તો $\sin^{2} \theta - \cos^{2} \theta$ ની કિંમત શોધો.

  • A
    $\frac{3}{4}$
  • B
    $\frac{1}{2}$
  • C
    $-\frac{1}{2}$
  • D
    $-\frac{3}{4}$

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