Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 8 - 8.6 - Trigonometric Form of a Complex Number - 8.6 Exercises - Page 613: 95a



Work Step by Step

$E=IZ$ $E=6(cos~41°+i~sin~41°)·4[cos(-11°)+i~sin(-11°)]$ $E=(6·4)[cos(41°-11°)+i~sin(41°-11°)]$ $E=24(cos~30°+i~sin~30°)$
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