Given z = cos (2) + i sin (2241), where n is a po

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 48E
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Given z = cos (21)+isin (22), where n is a positive integer, find the equation whose roots are:
2n+1
a = z+z³ + z³ +...+z²"-1 and B=z²+z+...+z²n
Transcribed Image Text:Given z = cos (21)+isin (22), where n is a positive integer, find the equation whose roots are: 2n+1 a = z+z³ + z³ +...+z²"-1 and B=z²+z+...+z²n
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