1. -5./20 2. (4 + Si )(4 – 5i) 3. (3– 2i)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 40E
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pls answer the complex number problems

1. -5 /20
2. (4 + 5i )(4 – 5i)
3. (3– 2i)
Transcribed Image Text:1. -5 /20 2. (4 + 5i )(4 – 5i) 3. (3– 2i)
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