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- Given that x(t) = c1 cos omega t + c2 sin omega t is the general solution of x'' + omega2 x=0 on the interval (- ♾️, ♾️), show that a solution satisfying the initial conditions x (0)= x0, x'(0)=x1 is given by X(t)= x0cos omega t + x1/omega sin omega t.Find the General Solution (D2-3D+2)y = cos(e-x)use the method of undetermined coefficients to find the general solution to: y'' + y = 5 Cos(t)