How to integrate ∫xcos2(x2)dx ?
∫xcos2(x2)dx
3 Answers
Apr 18, 2018
see below
Explanation:
We have,
Substituting
Putting this value in the main integral,we get,
Or,
Or,
Apr 18, 2018
Explanation:
Apr 18, 2018
The integral is equal to
Explanation:
Let
I=∫12cos2udu
I=12∫sec2udu
This is a known integral
I=12tanu+C
Reverse the substitution
I=12tan(x2)+C
Hopefully this helps!