Question

With integration by parts, evaluate the integral of xsec^2xdx

Answer 1

nvm!

Answer 2

x sec^2x= x.Int( sec ^2x)- Int[ Int( sec ^2x). d/dx x]dx
x.tanx-Int[ tanx.1 dx]
xtanx- ln(cosx)

Answer 3

lol

Answer 4

thanks uzma I got the same answer as you!