$A$ value of $\theta$ satisfying $\sin 5\theta - \sin 3\theta + \sin \theta = 0$,such that $0 < \theta < \frac{\pi}{2}$ is

  • A
    $\frac{\pi}{12}$
  • B
    $\frac{\pi}{6}$
  • C
    $\frac{\pi}{4}$
  • D
    $\frac{\pi}{2}$

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