Google Classroom GeoGebra Classroom Achieve Homework 15.4
- Divide the region into a tringle and a circular sector as shown. 
 - Compute  by using an arc-trig function in the triangle.   
 - Compute  as a complement of . 
 - Compute the double integral on the pink region using polar transformation. 
 - Use double integral in xy for the green region noting that one of the bounds of the inner integral is non-constant. 
 -  Add the result of the two integrals.