$\sin \frac{\pi}{16} \sin \frac{3\pi}{16} \sin \frac{5\pi}{16} \sin \frac{7\pi}{16}$ का मान क्या है?

  • A
    $\frac{1}{16}$
  • B
    $\frac{\sqrt{2}}{16}$
  • C
    $\frac{1}{8}$
  • D
    $\frac{\sqrt{2}}{8}$

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