(b) Show that the angle that the line WZ makes with the positive real axis is arg(z- w)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 21E
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Let z=x+iy 

Let w=a+ib

(b) Show that the angle that the line WZ makes with the positive real axis is arg(z- w)
Transcribed Image Text:(b) Show that the angle that the line WZ makes with the positive real axis is arg(z- w)
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