(a) 2(cos +i sin 플) (b) 3(cos + i sin E)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 19E
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(a) 2(cos +i sin 플)
(b) 3(cos + i sin E)
Transcribed Image Text:(a) 2(cos +i sin 플) (b) 3(cos + i sin E)
Expert Solution
Step 1

Solve for part (a), as follows:

2cosπ8+isinπ8=2122+2+i.122-2=2+2+i2-2=1.847759+0.765366i

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