Double Polar Integral Conversion and Integration on a Disk with Radius 3

[tnutty]

Homework Statement

Convert to polar integral and integrate.

$$\int_{D}\int xy dA$$

where D is the disk with the center origin and radius 3.

I am not sure about the limits. I know that x = rcos($$\theta$$), y = rsin($$\theta$$), dA = rdr*d$$\theta$$

 

[tnutty]

Solved, thanks

 

[lanedance]

no worries