Question

What is the frequency of `f(theta)= sin 5 t - cos 5 t`?

Answer 1

`(2pi)/5`

Explanation:

Period of sin 5t --->`(2pi)/5`
Period of cos 5t ---> `(2pi)/5`
Period of f(t) --->`(2pi)/5` --> least common multiple of `(2pi)/5`
and `(2pi)/5`