4. [-/3 Points] SCALCET8 10.1.033. Find parametric equations for the path of a particle that moves along the circle x2 + (y 2)2 = 16 in the manner described. (Enter your answer as a commaseparated list of equations. Let x and y be in terms of t.) (a) Once around clockwise, starting at (4, 2). 0 s t 5 2n. (b) Two times around counterclockwise, starting at (4, 2). 0 S t S 41:. (c) Halfway around counterclockwise, starting at (0, 6). 0 S t 5 Ir