1-Show that the function defined by the base harmonic function f(x, y) = ex cos 4y

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 77E
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1-Show that the function defined by the base
harmonic function
2-Consider the function defined by the base;
(i) Find dz
(ii) Prove that
дz
X
-
əx
+y
дz
-
f(x, y) = ex cos 4y
ду
= sin 2z
z = tan-¹(xy)
Transcribed Image Text:1-Show that the function defined by the base harmonic function 2-Consider the function defined by the base; (i) Find dz (ii) Prove that дz X - əx +y дz - f(x, y) = ex cos 4y ду = sin 2z z = tan-¹(xy)
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