Verify that each x-value is a solution of the equation. 2 cos2(8x) - 1 = 0 (a) X = n 32 2 cos2 8 TC - 1 = 2 cos2 TC 32 - 1 = 1 = 0 (b ) x = 3TC 32 2 cos2 8 3TC - 1 = 2 cos2 3TC 32 - 1 - 1 = 0