In this problem, y = c, cos(3x) + cz sin(3x) is a two-parameter family of solutions of the second-order DE y" + 9y = 0. If possible, find a solution of the differential equation that satisfies the...

Extracted text: In this problem, y = c, cos(3x) + cz sin(3x) is a two-parameter family of solutions of the second-order DE y" + 9y = 0. If possible, find a solution of the differential equation that satisfies the given side conditions. The conditions specified at two different points are called boundary conditions. (If not possible, enter NOT.) y(0) = 0, y(x/6) = 4 y = Need Help? Read It Watch It