JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

1 Easy

1 of 1

Application +4 | -1

The value of

\cos \frac{\pi}{65} \cos \frac{2 \pi}{65} \cos \frac{4 \pi}{65} \cos \frac{8 \pi}{65} \cos \frac{16 \pi}{65} \cos \frac{32 \pi}{65}

is equal to

View answer and explanation

Correct option: A

\frac{1}{64}

Option A (

\frac{1}{64}

) is correct because the given expression can be simplified using the double angle formula repeatedly.

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