Ap Eapcet
Complex Numbers
AP EAPCET 2022 - 4th July Evening Shift
MCQ+1 / -02022
If \(e^{i \theta}=\operatorname{cis} \theta\), then \(\sum_\limits{n=0}^{\infty} \frac{\cos (n \theta)}{2^n}=\)
Ap Eapcet
AP EAPCET 2022 - 4th July Evening Shift
If \(e^{i \theta}=\operatorname{cis} \theta\), then \(\sum_\limits{n=0}^{\infty} \frac{\cos (n \theta)}{2^n}=\)