0 votes 0 votes For a periodic signal $v(t) = 30 \sin100t +10 \cos 300t + 6 \sin (500t+\pi /4)$, the fundamental frequency in $rad/s$ is $100$ $300$ $500$ $1500$ Signals and Systems gate2013-ee periodicity sinusoidal + – piyag476 asked Feb 11, 2017 • edited Nov 20, 2019 by Lakshman Bhaiya piyag476 1.5k points answer comment Share See all 0 reply Please log in or register to add a comment.