$2 \sin \left(\frac{\pi}{22}\right) \sin \left(\frac{3 \pi}{22}\right) \sin \left(\frac{5 \pi}{22}\right) \sin \left(\frac{7 \pi}{22}\right) \sin \left(\frac{9 \pi}{22}\right)$ is

  • [JEE MAIN 2022]
  • A

    $\frac{3}{16}$

  • B

    $\frac{1}{16}$

  • C

    $\frac{1}{32}$

  • D

    $\frac{9}{32}$

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  • [IIT 1993]

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