Question

What is the period of `f(t)=sin( t / 30 )+ cos( (t)/ 5 )`?

Answer 1

`60pi`

Explanation:

Period of `sin (t/30)` --> `30(2pi) = 60pi`
Period of `cos (t/5)` --> `5(2pi) = 10pi`
Period of f(t) ---> `60 pi`
(least common multiple of `10pi` and `60pi`)