Solve the following differential equation by variation of parameters. Fully evaluate all integrals. y" +16y=sec(4x). a. Find the most general solution to the associated homogeneous differential equation. Use c₁ and c₂ in your answer to denote arbitrary constants, and enter them as c1 and c2. help (formulas) b. Find a particular solution to the nonhomogeneous differential equation y" +16y=sec(4x). Yp help (formulas) c. Find the most general solution to the original nonhomogeneous differential equation. Use c₁ and c₂ in your answer to denote arbitrary constants. y= help (formulas)