Laplace Transform f(t) = e^t *sin(t)sin(5t)

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
1 reply · 6K views
tim_3491
Messages
6
Reaction score
0
Hey everyone

Does anyone know how to do the following Laplace Transformation

f(t) = e^t *sin(t)sin(5t)

i can do it with one sin function but don't know how to do it with 2.

any help would be appreciated.
 
Physics news on Phys.org
tim_3491 said:
Hey everyone

Does anyone know how to do the following Laplace Transformation

f(t) = e^t *sin(t)sin(5t)

i can do it with one sin function but don't know how to do it with 2.

any help would be appreciated.

Use the addition formula for sines:

sin(t)sin(5t) = (cos(4t) - cos(6t))/2