find the indefinite integral of... tan^2(x/2) dx =??? I can't think of it :(
letsfindlara Member Joined May 24, 2006 Messages 45 Gender Female HSC 2007 Mar 15, 2007 #1 find the indefinite integral of... tan^2(x/2) dx =??? I can't think of it
Seppuku New Member Joined Oct 28, 2006 Messages 23 Gender Male HSC 2007 Mar 15, 2007 #2 tan^2(x/2) = sec^2(x/2) - 1 [ From secx - tanx = 1 ] So the integral is: 2tan(x/2) - x + c
letsfindlara Member Joined May 24, 2006 Messages 45 Gender Female HSC 2007 Mar 15, 2007 #3 thank you haha that was so fast, I love bos.
Seppuku New Member Joined Oct 28, 2006 Messages 23 Gender Male HSC 2007 Mar 17, 2007 #4 No problem heh. It was my first post too!