(z # 0); e cos(20 + 1)² + i sin(20 + 1)². ei arg(z+ z) = 0; ||

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 105E
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Question

For each of the following statements, if it is true prove it, and if it is false give a counter example.

1
(z + 0);
cos(20 + 1)2 + i sin(20 + 1)².
ei?
arg(z + 2) = 0;
||
2.
Transcribed Image Text:1 (z + 0); cos(20 + 1)2 + i sin(20 + 1)². ei? arg(z + 2) = 0; || 2.
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