sin 6∘ sin 42∘ sin 66∘ sin 78∘=116 – InterviewSolution

1.	sin 6∘ sin 42∘ sin 66∘ sin 78∘=116
Answer» $s i n 6^{\circ} s i n 42^{\circ} s i n 66^{\circ} s i n 78^{\circ} = \frac{1}{16}$

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