How to evaluate a double integral by using polar coordinates

We will integrate a double integral cos(x^2+y^2) dydx by using polar coordinates. Here's the video on why dydx=rdθ https://youtu.be/r-38iiWg1vo?si=1MlhyApOLslQBI3A How to evaluate double integrals (& how to change the order of integration) 10 examples, calculus 3 https://youtu.be/H-defN4ZNSo ----------------------------- 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