Calculus 2 Integrals! (Ultimate Playlist) - Trig substitution integration (x=a tanθ, 4 examples, calculus 2)

Integral by trig substitution, calculus 2, tangent substitution, 4 examples, calculus tutorial, The sine substitution: https://youtu.be/9TFXhyc9QOM The secant substitution: https://youtu.be/k9_l0mxIRpI The tangent substitution: https://youtu.be/eXqHpt8sMqM 0:00 When do we use x=a*tanθ 0:31 Integral of 1/(a^2+x^2) 3:42 Integral of 1/(x^3+x) 8:20 Integral of sqrt(1+x^2)/x *hard* 15:18 How you should be practicing integrals 15:56 Integral of 1/(9+x^2)^(3/2) ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 https://www.patreon.com/blackpenredpen Get the coolest math shirts from my Amazon store 👉 https://amzn.to/3qBeuw6 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math