Answered: f(t) = e-5"cosh(6t) – (9t)"/2 %3D

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f(t) = e-5"cosh(6t) – (9t)"/2 %3D

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section5.5: Exponential And Logarithmic Models

Problem 6ECP: Find the intensities of earthquakes whose magnitudes are (a) R=6.0 and (b) R=7.9.

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Question

Find the Laplace transform of:

f(t)=e^−5t cosh(6t)−(9t)^7/2

Hint: you may use trigonometric identities.

Equations that give the relation between different trigonometric functions and are true for any value of the variable for the domain. There are six trigonometric functions: sine, cosine, tangent, cotangent, secant, and cosecant.

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