) Use the definition Laplace transform to find £{f(t)}

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 77E
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(a) Use the definition Laplace transform to find L{f(t)} where
0,
0 ≤ t < π,
ƒ(
f(1) = {
cos 3t, t≥ π.
(b) Express f in terms of unit step functions, and then find its Laplace trans-
form.
Transcribed Image Text:(a) Use the definition Laplace transform to find L{f(t)} where 0, 0 ≤ t < π, ƒ( f(1) = { cos 3t, t≥ π. (b) Express f in terms of unit step functions, and then find its Laplace trans- form.
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