CalculusChallengeInfinite Sequences and Series ShareInfinite Sequences and Series · Challenge problemFind the exact value of ∑n=1∞sin(nπ3)2n\displaystyle\sum_{n=1}^{\infty}\frac{\sin\left(\frac{n\pi}{3}\right)}{2^n}n=1∑∞2nsin(3nπ).Check Show answer Walk through it step by step Practice more like this Review this concept