Use the method of variation of parameters to find a particular
solution of the given differential equation and then find the
general solution of the ODE.
y'' + y = tan(t)
Find a general solution to the differential equation using the
method of variation of parameters.
y''+ 25y= sec5t
The general solution is y(t)= ___
y''+9y= csc^2(3t)
The general solution is y(t)= ___