Question

What is the frequency of `f(theta)= sin 6 t - cos 30 t`?

Answer 1

`pi/3`

Explanation:

Frequency of sin 6t --> `(2pi)/6 = pi/3`
Frequency of cos 30t --> `(2pi)/30 = pi/15`
Find least multiple of `(pi/3) and (pi/15)`.
Frequency of f(t) --> `pi/3`