Find the Laplace transform of f(t) defined by 2cos(120t + 45°).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 47E
Question
Find the Laplace transform of f(t) defined by 2cos(120t + 45°).
V2(s + 120)
V2 (s – 120)
c)
s2 + 14400
V2 s
120V2
d)
s2 + 14400
a)
s2 + 14400
b)
s2 + 14400
Transcribed Image Text:Find the Laplace transform of f(t) defined by 2cos(120t + 45°). V2(s + 120) V2 (s – 120) c) s2 + 14400 V2 s 120V2 d) s2 + 14400 a) s2 + 14400 b) s2 + 14400
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