Hello,

I need laplace transform of these function:

f(t)=(t^n)cos(a*t)

and

f(t)=(t^n)cosh(a*t)

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- January 6th 2011, 08:59 AMHamedlaplace of two function?
Hello,

I need laplace transform of these function:

f(t)=(t^n)cos(a*t)

and

f(t)=(t^n)cosh(a*t) - January 6th 2011, 09:14 AMAckbeet
For the first, note that

and

For the second, note in addition that

Where does that get you? - January 6th 2011, 07:37 PMHamed
I want to make laplace transform table to memorize them.