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U + ru, =x u(z,0) = sin(87x) cos(90r). IE R, t> 0,

U + ru, =x u(z,0) = sin(87x) cos(90r). IE R, t> 0,

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 69E
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# 81 ill lll * ۱۲:۱۹ ص ۲٫1ك.بث 0 media.cheggcdn.com/media/791/7910580e EXE CISE 1.5 Find the exact solution of the following Cauchy problems: a) - uu J. (d) u + ru, =r? u(z, 0) = sin(87r) cos(90r). IER, t> 0, 10
Transcribed Image Text:# 81 ill lll * ۱۲:۱۹ ص ۲٫1ك.بث 0 media.cheggcdn.com/media/791/7910580e EXE CISE 1.5 Find the exact solution of the following Cauchy problems: a) - uu J. (d) u + ru, =r? u(z, 0) = sin(87r) cos(90r). IER, t> 0, 10
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