Find the Laplace transform of f(t) =< sint, 0≤t≤ 2T, 0, 2T

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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got stuck on second integration by parts

Find the Laplace transform of
f(t) =<
sint, 0≤t≤ 2T,
0,
2T <t.
Transcribed Image Text:Find the Laplace transform of f(t) =< sint, 0≤t≤ 2T, 0, 2T <t.
-e
st
Se
, St
st
se
£ {f(²)} = S₁² e
_L [f] (s) = L {f(e)}:
1
-st
I.B.P. 1
dv=fsint de
V = -(03 (+)
IBP 2
dv=S cost dt
ve sint
>>>
=
Judu= uv-
·St
f(t) dt
sint dt
Sv du
=-est cost-S-sest Cost dt
-e cost-(-sS est
- (-sS est cost de)
"cost - (-3 (e" sint - S sest sint dit ) )
= -e cost-[-s(esint-s Se" tht dt ) ]
-estost-/-se sint +5² Set fint at )
Transcribed Image Text:-e st Se , St st se £ {f(²)} = S₁² e _L [f] (s) = L {f(e)}: 1 -st I.B.P. 1 dv=fsint de V = -(03 (+) IBP 2 dv=S cost dt ve sint >>> = Judu= uv- ·St f(t) dt sint dt Sv du =-est cost-S-sest Cost dt -e cost-(-sS est - (-sS est cost de) "cost - (-3 (e" sint - S sest sint dit ) ) = -e cost-[-s(esint-s Se" tht dt ) ] -estost-/-se sint +5² Set fint at )
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