What is the frequency of f(theta)= sin 24 t - cos 54 t ?

1 Answer
Nov 11, 2016

pi

Explanation:

Frequency of sin 24t --> (2pi)/24 = pi/12
Frequency of cos 54t --> (2pi)/54 = pi/27
Find least common multiple of pi/12 and pi/27

pi/12 ... X ...(12)... --> pi
pi/27 ... X ...(27)... --> pi

Frequency of f(t) --> pi