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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Question
Let z1 = 6(cos(7pi/12) + i sin(7pi/12)) and z2 = 9(cos(5pi/12) + i sin(5pi/12)).
Find z1z2 and z1/z2.(Enter your answers in a + bi form.)
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