How do we do the integral of tan(sin^-1(x))/sqrt(1-x^2)? Are we supposed to do substitution twice? I saw this calculus integral problem on Reddit and here's the original post: ----------------------------- Support this channel and get my calculus notes on Patreon: 👉 Get the coolest math shirts from my Amazon store 👉 ----------------------------- #calculus #bprpcalculus #apcalculus #tutorial #math