Help with area of region

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• December 2nd 2008, 06:18 PM
khuezy
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?
Thanks in advance.
• December 3rd 2008, 12:55 AM
shawsend
That's just the area of a region in polar coordinates right?

$A=1/2\int_{\theta_1}^{\theta_2} \left[f(\theta)\right]^2 d\theta$

Tips you say? The best I can think is to find this section in your calculus book, work through the one or two examples they'll have, then work through yours. :)
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