Find the points of horizontal tangency to the polar curve. r = a sin 8 0 ≤ 0 < π, a > 0 2) ₁² Ja (r, 8) = (r, 8) = ( = (a a. 0.0 (r, 8) = ( 元 (smaller r value) Find the points of vertical tangency to the polar curve. (r, 8) = (smaller value) (larger r value) (larger & value)