Find two square roots for the complex number. Leave your answers in trigonometric form. 81 cis 0° 9 cis 90°,9 cis 270° 9 cis 90°,9 cis 180° O 9 cis 0°,9 cis 270° 81 cis 90°, 81 cis 270° 9 cis 0°,9 cis 180°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.5: Trigonometric Form For Complex Numbers
Problem 41E
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Find two square roots for the complex number. Leave your answers in
trigonometric form.
81 cis 0°
9 cis 90°, 9 cis 270°
9 cis 90°, 9 cis 180°
9 cis 0°, 9 cis 270°
81 cis 90°, 81 cis 270°
9 cis 0°, 9 cis 180°
Transcribed Image Text:Find two square roots for the complex number. Leave your answers in trigonometric form. 81 cis 0° 9 cis 90°, 9 cis 270° 9 cis 90°, 9 cis 180° 9 cis 0°, 9 cis 270° 81 cis 90°, 81 cis 270° 9 cis 0°, 9 cis 180°
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