# Math Help - Help with area of region

1. ## Help with area of region

Find the area of the region bounded by the x-axis and the cardiod r=1+cos(theta) from 0 to pi.

Can anyone give me some tips on how to approach this problem?
$A=1/2\int_{\theta_1}^{\theta_2} \left[f(\theta)\right]^2 d\theta$