JEE MATHEMATICS MCQ: LIMITS

1 Easy

1 of 1

Application +4 | -1

\lim \limits_{{n \rightarrow \infty}} n \cos \frac{\pi}{4 n} \sin \frac{\pi}{4 n}=k

then

k

View answer and explanation

Correct option: A

\frac{\pi}{4}

Option A (

\frac{\pi}{4}

) is correct because evaluating the limit using trigonometric identities and limit properties results in

\frac{\pi}{4}

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