- #1
Lucy77
- 10
- 0
Find laplace transfom (t-1)cos3t + e^(2t)sin4t
f(t) = t*cos(3*t)
g(t) = -cos(3*t)
h(t) = e2*t*sin(4*t)
int e^(-st) * t* cos(3*t)dt = s^(2)-9/(s^(2)+9)^2
g(t)= -1/(s^2+9)
h(t)= (s-2)/(s-2)^2 +16
am I done and right? Thanks
f(t) = t*cos(3*t)
g(t) = -cos(3*t)
h(t) = e2*t*sin(4*t)
int e^(-st) * t* cos(3*t)dt = s^(2)-9/(s^(2)+9)^2
g(t)= -1/(s^2+9)
h(t)= (s-2)/(s-2)^2 +16
am I done and right? Thanks