# Thread: Evaluate the integral

1. ## Evaluate the integral

Evaluate the integral by reversing the order of integration.

2. Originally Posted by wvlilgurl
Evaluate the integral by reversing the order of integration.
The region is under the parabola $y=\sqrt{x}$ on the interval $[0,4]$ so $\int_0^4 \int_0^{\sqrt{x}} y \cos x^2 dy dx$