14. a. SKETCH the rose with 4-petals r = sin(20), 0 0 S 2x and draw its tangent line at 0 = (3pts)14b. Find the area enclosed in one petal of r = sin(20) (6pts) 15. Find the EQUATION OF THE TANGENT LINE to the given polar curve r = 1+ sin 0 . at 0= (6pts)