(a). u(x, y) = e- sin y, (b). v(x, y) : = cos x cosh y, %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 78E
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7.18. Show that the functions
(a). u(x, y) = e- sin y, (b). v(x, y) = cos x cosh y,
are harmonic, and find the corresponding analytic function u + iv in each
case.
Transcribed Image Text:7.18. Show that the functions (a). u(x, y) = e- sin y, (b). v(x, y) = cos x cosh y, are harmonic, and find the corresponding analytic function u + iv in each case.
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