f (t)=-3t*e®5+ +3.8t²e244 .4t

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 98E
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For nos.2-7, do NOT integrate anymore. Just use the Laplace Formulas directly. If needed, apply the
trigonometric identities first [ For example, cos(A+B) = cosAcosB - sinAsinB ] before using the Laplace
formulas.
For no.3, v2t means (V2) t
Find L{f(t)}of the following functions. Note: a, b, e, k and n are constants.
Transcribed Image Text:For nos.2-7, do NOT integrate anymore. Just use the Laplace Formulas directly. If needed, apply the trigonometric identities first [ For example, cos(A+B) = cosAcosB - sinAsinB ] before using the Laplace formulas. For no.3, v2t means (V2) t Find L{f(t)}of the following functions. Note: a, b, e, k and n are constants.
5. f(t)=-3t*e05t
6. f (1)=-e" sin ( 21 + 7)
7. f(1) = 3e" cosh (In 21) in two ways.
4.0.5t
+3.81²e²4+
-2t
Transcribed Image Text:5. f(t)=-3t*e05t 6. f (1)=-e" sin ( 21 + 7) 7. f(1) = 3e" cosh (In 21) in two ways. 4.0.5t +3.81²e²4+ -2t
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