ill give a like. show work

Solve the following IVP DiffEQ -0.6 % - 0.42 x = 0.18 cos(3 t) - 0.5 e -0.71 x(0) = 3 Express any resulting cosine and sine terms at the same frequency(ies) using the form C sin (wt + ) where C is positive and -11*<. submit pdfs of your hand calculations as well any supporting matlab work and output used to verify>