JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

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Analyzing +4 | -1

The value of

\cos \frac{\pi}{11} \cos \frac{2 \pi}{11} \cos \frac{3 \pi}{11} \ldots \ldots \ldots \cos \frac{11 \pi}{11}

is equal to

View answer and explanation

Correct option: C

\frac{1}{{1024}}

Option C (

\frac{1}{{1024}}

) is correct because the product can be simplified using trigonometric identities and the sine product formula.

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