Question

What's the period of Cos[(2[Pi])/3 t]+Sin[(2[Pi])/4 t]?

Answer 1

@zepdrix

Answer 2

@TheSmartOne

Answer 3

Did you mean to have \(\dfrac{2\pi}{4}\) in the sine term's argument?

In any case, the period of \(\cos(ax)+\sin(bx)=\mathrm{lcm}(a,b)\).