be roots of unity and let a =

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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n
Let λ₁, ¹₂,.... λn be roots of unity and let a = =
'n
n
i=1
0 or 1₁
- An
=
THen either a =
= a.
=
₁. If a is algebraic integer.
Transcribed Image Text:n Let λ₁, ¹₂,.... λn be roots of unity and let a = = 'n n i=1 0 or 1₁ - An = THen either a = = a. = ₁. If a is algebraic integer.
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