Question: Unit step function OOPs.. question is incomplete

Hi,

The two functions, they were cut off in the original post, are:

f:=sin(3*t) (0 < t < Pi)

and the second function is:

f:=cos(Pi*t) (1 < t < 4)

Set up using unit step functions and graph the functions.
Function is 0 outside the given interval.

I have searched the Net, Application Center and Maple(10) manuals and am stuck as to how to write these solution with Maple(10) Commands.

Any help/tips will be greatly appreciated.

TIA

Larry Ciak
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