as we showed you in your last two posts, just evaluate
ā«[0,2Ļ] 1/2 r^2 dĪø or take advantage of the symmetry.
post your work if you get stuck
Find the area that it encloses.
(a) r = 1 ā sin š
Find the area that it encloses.
(b) r = 7 + 2 cos š
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