Mickey Rats tries to find the Laplace Transform of f(t) = sin (4t) using the definition. Here is his work: By Definition [sin (4t)] = fest sin (4t)dt Lo e-st si sin (4t)dt= e-st cos (2t) + e-st cos ( 8 e-st sin (4t)dt + = 8 -st sin (4t)dt e-st Loode-st -st sin (4t)dt-½ 1 st e sin (4t)dt = 4 1 -st e sin (4t)dt = 8-

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 80E
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Mickey Rats tries to find the Laplace Transform of f(t) = sin (4t) using the definition.
Here is his work:
By Definition [sin (4t)] = fest sin (4t)dt
Lo e-st si
sin (4t)dt=
=
cos (2t) +
e-st
cos (
e-st sin (4t)dt =+sa
8
8
-st sin (4t)dt
e-st
Loode-st
- sin (4t)dt-s
st
e sin (4t)dt
-st
e sin (4t)dt
=
4
1
=
8-
Transcribed Image Text:Mickey Rats tries to find the Laplace Transform of f(t) = sin (4t) using the definition. Here is his work: By Definition [sin (4t)] = fest sin (4t)dt Lo e-st si sin (4t)dt= = cos (2t) + e-st cos ( e-st sin (4t)dt =+sa 8 8 -st sin (4t)dt e-st Loode-st - sin (4t)dt-s st e sin (4t)dt -st e sin (4t)dt = 4 1 = 8-
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