Find the area that it encloses.

Question

(a) r = 1 − sin 𝜃

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

Answer 1

as we showed you in your last two posts, just evaluate
∫[0,2π] 1/2 r^2 dθ or take advantage of the symmetry.
post your work if you get stuck