10 Homework Question 18, 7.2.33 O Points: 0 of 1 K Simplify the following expression. (- 8 cos x sin x + 4 cos 2x) + (4 cos 2x + 8 sin x cosx)2 (- 8 cos x sin x + 4 cos 2x) + (4 cos 2x + 8 sin x cos x)2 = iew an example Get more help Clear