How to integrate intx/(cos^2 (x^2))dx ?
intx/(cos^2 (x^2))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 = int 1/(2cos^2u) du
I = 1/2int sec^2u du
This is a known integral
I = 1/2tanu + C
Reverse the substitution
I = 1/2tan(x^2) +C
Hopefully this helps!