The value of \( 2 \sin \left(\frac{\pi}{8}\right) \sin \left(\frac{...

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The value of \( 2 \sin \left(\frac{\pi}{8}\right) \sin \left(\frac{2 \pi}{8}\right) \sin \left(\frac{3 \pi}{8}\right) \sin \left(\frac{5 \pi}{8}\right) \)
\( \mathrm{P} \) \( \sin \left(\frac{6 \pi}{8}\right) \sin \left(\frac{7 \pi}{8}\right) \) is

W)
(a) \( \frac{1}{4 \sqrt{2}} \)
(b) \( \frac{1}{4} \)
(c) \( \frac{1}{8} \)
(d) \( \frac{1}{8 \sqrt{2}} \)
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