# Math Help - Which function first?

1. ## Which function first?

Hard to explain what I mean but typically is:
$\cos(4x^2+2)^4 = (\cos(4x^2+2))^4$
Or:
$\cos(4x^2+2)^4 = \cos( (4x^2+2)^4)$

2. The second is most correct.

Also consider

$(\cos(4x^2+2))^4 =\cos^4(4x^2+2)$