Question

What is the period of `f(t)=sin(t/2)+ cos3t`?

Answer 1

`4pi`

Explanation:

Period of sin (t/2) ---> `2(2pi) = 4pi`
Period of cos (3t) --> `(2pi/3)`
Period of f(t) --> least common multiple of `4pi` and `(2pi)/3`
It is `4pi`