What is the integral of #cos^3 x#?
1 Answer
May 31, 2016
Explanation:
There are multiple ways to get at this integral which give alternate forms as output. A simple way to do it is to break up the integrand using
Which gives us
We can now do each term separately, where the first is simply:
and the second term can be simplified by making the substitution:
Putting these together we get