Consider the initial value problem
y^('')+36y=cos(6t),y(0)=7,y^(')(0)=8
the equation to the other (until you get to part (b) below).
help..formulasY(s).
Y(s)=L{y(t)}
c. Take the inverse Laplace transform of both sides of the previous equation to solve for y(t).
y(t)=