- #1
Stratosphere
- 373
- 0
Homework Statement
[tex]\int cos^{2}(2x) dx[/tex]
Homework Equations
The Attempt at a Solution
After doing all of the steps I came out with [tex]\frac{x+sin4x}{8}+c [/tex]
In the text it says the answer is [tex]\frac{x}{2}+\frac{sin4x}{8}+c [/tex]
Where did I go wrong?