C cutemouse Account Closed Joined Apr 23, 2007 Messages 2,250 Gender Undisclosed HSC N/A Jan 17, 2009 #1 Hello, I was doing some stuff on t-results and my textbook let t=tanx (instead of t=tan(x/2)) for some examples and I have no idea why. How come this is the case? Thanks
Hello, I was doing some stuff on t-results and my textbook let t=tanx (instead of t=tan(x/2)) for some examples and I have no idea why. How come this is the case? Thanks
I independantz Member Joined Apr 4, 2007 Messages 409 Gender Male HSC 2008 Jan 17, 2009 #2 Most probably the integral has a double angle in it. E.g. Cos2x- so just pretend the 2x = a, and then you can let t=tan(a/2) ,if you like.
Most probably the integral has a double angle in it. E.g. Cos2x- so just pretend the 2x = a, and then you can let t=tan(a/2) ,if you like.
