Why don't we need the absolute value when we do trig substitution?

Let's see why we don't need the absolute value when we do trig substitution for an integral. This is one of the most commonly asked questions on my channel so here's the answer! Get more free videos (and notes) 👉 https://www.patreon.com/posts/no-need-for-127601200 ----------------------------- Get the coolest math shirts from my Amazon store 👉 https://amzn.to/3qBeuw6 ----------------------------- #calculus #bprpcalculus #tutorial #math