Mathematics · 2022
JEE Main · 25 July 2022, Shift 2 · Q19
2 sin ((π)/22) sin ((3 π)/22) sin ((5 π)/22) sin ((7 π)/22) sin ((9 π)/22) is equal to:
$\displaystyle 2 \sin \left(\frac{\pi}{22}\right) \sin \left(\frac{3 \pi}{22}\right) \sin \left(\frac{5 \pi}{22}\right) \sin \left(\frac{7 \pi}{22}\right) \sin \left(\frac{9 \pi}{22}\right)$ is equal to :
Official answer
(2)
$\displaystyle \frac{1}{16}$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.