Understand u substitution for integration (3 slightly trickier examples), calculus 1 tutorial

Calculus 1 tutorial on the integration by u-substitution, 3 slightly harder and trickier examples: integral of x/(1+x^4), integral of tan(x)*ln(cos(x)), integral of 1/(1+sqrt(x)). Want more integral practice for your calculus 1 or calculus 2 class? Check out my "100 integrals" 👉 https://youtu.be/dgm4-3-Iv3s 0:00 3 slightly harder and trickier integrals, calculus 1 Integral of x/(1+x^4), 0:47 Integral of tan(x)*ln(cos(x)), 4:29 Integral of 1/(1+sqrt(x)), 7:47 #calculus #blackpenredpen