What is the period of the following signal, x(t) = sin(18*pi*t + 78 deg)?
A. 1/9
B. 2/9
C. 1/3
D. 4/9
Answer:A
What is the period of the following signal, x(t) = sin(18*pi*t + 78 deg)?
A. 1/9 B. 2/9 C. 1/3 D. 4/9
Explanation: The signal can be expressed as sin(wt + d), where the time period = 2*pi/w.