The value of 36(4 cos²9°..... | JEE Main 2023

JEE-Main 2023

08-04-2023_(S2)

Question

The value of $36\left(4 \cos ^2 9^{\circ}-1\right)\left(4 \cos ^2 27^{\circ}-1\right)\left(4 \cos ^2 81^{\circ}-1\right)\left(4 \cos ^2 243^{\circ}-1\right)$ is

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Solution

Question Tags

JEE Main

Mathematics

Medium

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