# How do you integrate #sqrt(1+(4cos^2))dx#?

##### 1 Answer

Aug 31, 2015

Normally, you might expect that the

If you are not in a very advanced Calculus course, where you might work with elliptic integrals, you don't have to know how to do this analytically. At best you can do a numeric integral.

So, you can evaluate

http://www.wolframalpha.com/input/?i=integral+of+sqrt%281%2B4cos^2%28x%29%29