Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 8 - Section 8.2 - Trigonometric Form for Complex Numbers - 8.2 Problem Set - Page 432: 12


The graph is shown. The absolute value is 5.

Work Step by Step

The complex number is $-4+3i$ So, the absolute value is $\sqrt ((-4)^{2}+3^{2})=\sqrt (16+9)=\sqrt 25=5.$
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