00:01
In this and a row, i have both sign and cosine to odd power.
00:03
So what i'm going to do is pull one of them off either the sign or the cosine and use it for du.
00:11
Well, so what you want to do is pull it off the smallest one.
00:14
So you have sine squared theta, cosine to the fifth theta times sine theta d theta.
00:23
Okay, because you're going to make you be the cosine and then du will be the sign.
00:26
So you've got to do something about the sine squared, but it's just one.
00:30
Minus cosine squared.
00:37
All right, so i'm going to make this into two integrals.
00:40
It's one times that stuff.
00:42
So cosine to the fifth theta, sine theta, d theta, minus cosine...