Determine if the function satisfy the Cauchy-Riemann equations. 7. f(z) = cos?(z)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 54E
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Determine if the function satisfy the Cauchy-Riemann equations.
7. f(z) = cos?(z)
Transcribed Image Text:Determine if the function satisfy the Cauchy-Riemann equations. 7. f(z) = cos?(z)
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