Find the area that it encloses.

(a) r = 1 βˆ’ sin πœƒ

Find the area that it encloses.
(b) r = 7 + 2 cos πœƒ

as we showed you in your last two posts, just evaluate

∫[0,2Ο€] 1/2 r^2 dΞΈ or take advantage of the symmetry.
post your work if you get stuck