The time period of continuous-time sinusoidal signal is given by _____

A)
T = 2π / w
B)
T = π / w
C)
T = π / 2w
D)
T = 2π / 3w

Correct Answer : Option (A) :   T = 2π / w


Explanation : X (t) = A cos (wt+φ) is the continuous-time sinusoidal signal and its period is given by
T = 2π / w where w is the frequency in radians per second.