September 25th, 2016, 08:28 AM  #1 
Member Joined: Aug 2016 From: illinois Posts: 46 Thanks: 0  Simplification help
if you have an integral with 1 cos^2(x) in it and then apply the half angle formula and then get the integral of 1(1/2*cos(4x)). How would you simplify it to get the integral of (1/2)(1/2)*cos(4x). The problem is on the bottom of this page.. Calculus II  Integrals Involving Trig Functions 
September 25th, 2016, 08:40 AM  #2 
Senior Member Joined: Sep 2015 From: USA Posts: 2,427 Thanks: 1314  
September 25th, 2016, 09:50 AM  #3 
Member Joined: Aug 2016 From: illinois Posts: 46 Thanks: 0 
Nvm I figured it out. I did that so I can have a integral that I can solve easily


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