I'm busy studying for my Calculus exam and came across something that I'm not too sure about. The question asks to use z-substitution to determine an integral. The actual question is:
Use z=tan(x/2) to determine the integral: Integral from 0 to pi/3 of dx/(3+2cosx)
Is Z-Substitution the same as normal substitution but they give you what to use? Or is there another method?
Any help would be appreciated. Thanks in advance!