y" + 16y = sec(4x). a. Find the most general solution to the associated homogeneous differential equation. Use c and cz in your answer to denote arbitrary constants, and enter them as c1 and c2. Yh = c1cos(4x)+c2sin(4x) help (formulas) b. Find a particular solution to the nonhomogeneous differential equation y" + 16y = sec(4x). %3D Yp = 1/6cos(4x)In(cos(4x))+xsin(4*x)/4 help (formulas) c. Find the most general solution to the original nonhomogeneous differential equation. Use c, and c2 in your answer to denote arbitrary constants. y = help (formulas)