This Question: 5 pts 16 of 40 (26 complete) Solve the equation in part (a) analytically over the interval [0, 2x). Then, use a graph to solve the inequality in part (b). (a) 213 cos 2x = - 3 (b) 213 cos 2x 5 - 3 (a) The solution set is (Type an exact answer, using it as needed. Use a comma to separate answers as needed.) (b) What is the solution set of the inequality? O A. 5x 7x 17x 19x 12' 12' 12 , and 12 O B. O C. (-00, 00 ) OD. [5x 7x 17x 19n 12 12 U 12 ' 12 O E. The solution set is O