0 votes 0 votes Which of the following signals is/are periodic? $\mathrm{S}(t)=\cos 2 t+\cos 3 t+\cos 5 t$ $\mathrm{S}(t)=\exp (j 8 \pi t)$ $S(t)=\exp (-7 t) \sin 10 \pi t$ $S(t)=\cos 2 t \cos 4 t$ Others gate1992-ec + – admin asked Sep 13, 2022 edited Dec 1, 2023 by makhdoom ghaya admin 46.4k points 133 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes makhdoom ghaya answered Sep 15, 2022 makhdoom ghaya 160 points comment Share ask related question Follow See all 0 reply Please log in or register to add a comment.