Let z = 5 e5π i/4 Write z, z4, z⁹ and 2-2 in the form a + bi. z = 5 cos (5.) +/-5 sin(5.4) 4 Z4 z⁹ ||

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 44E
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Let z = 5 e5π i/4
Write z, z4, z⁹ and 2-2 in the form a + bi.
Z
2 = 5 cos (5. 7) + 1·5 sin(5· 4)
4
Z4
z9
N
||
||
Transcribed Image Text:Let z = 5 e5π i/4 Write z, z4, z⁹ and 2-2 in the form a + bi. Z 2 = 5 cos (5. 7) + 1·5 sin(5· 4) 4 Z4 z9 N || ||
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