Homework Help: General question about trig functions

1. Nov 29, 2005

ms. confused

Ok, say you have cos^3(x)...

Is this the same as cos(x)^3(where only x is cubed) or (cos(x))^3 (where the whole thing is cubed?

2. Nov 29, 2005

mezarashi

Yeah.

$$cos^3 x = (cos x)^3$$