1 votes 1 votes What is \[ \lim _{n \rightarrow \infty} \cos \frac{\pi}{2^{2}} \cos \frac{\pi}{2^{3}} \cdots \cos \frac{\pi}{2^{n}} ? \] $0$ $\pi / 2$ $1 / \sqrt{2}$ $2 / \pi$ None of the above. Calculus tifr2014 calculus limits + – admin asked Dec 14, 2022 recategorized Jan 17, 2023 by Lakshman Bhaiya admin 46.4k points 82 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.