$4 \sin 5^\circ \sin 55^\circ \sin 65^\circ$ का मान ज्ञात कीजिए।

  • A
    $\frac{\sqrt{3} + 1}{2\sqrt{2}}$
  • B
    $\frac{\sqrt{3} - 1}{2\sqrt{2}}$
  • C
    $\frac{\sqrt{3} - 1}{\sqrt{2}}$
  • D
    $\frac{3(\sqrt{3} - 1)}{2\sqrt{2}}$

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