Question

What is the period of `f(t)=sin( t / 36 )+ cos( (t)/3 )`?

Answer 1

`72pi`

Explanation:

Period of `sin (t/36)` --> `36(2pi) = 72pi`
Period of `cos (t/3)` --> `3(2pi) = 6pi`
Period of f(t) --> least common multiple of `6pi and 72pi`.
The answer is `72pi`