Here is the question:
I have posted a link there to this question so the OP can view my work.Integral of sqrt(1+x^2)/x using trigonometric substitution?
Hi, I keep getting the answer wrong on this problem, and I was wondering if someone could please help me figure out how to solve it? I understand the basic concept, and I know that x=tan(θ), but I'm having trouble figuring out what trig identities to use. Thank you for your help!