1.

The value of\[\sin \frac{\pi }{14}\sin \frac{3\pi }{14}\sin \frac{5\pi }{14}\sin \frac{7\pi }{14}\sin \frac{9\pi }{14}\sin \frac{11\pi }{14}\sin \frac{13\pi }{14}\] is equal to [IIT 1991; MNR 1992]

A. \[\frac{1}{8}\]
B. \[\frac{1}{16}\]
C. \[\frac{1}{32}\]
D. \[\frac{1}{64}\]
Answer» E.


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