Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 9 - Polar Coordinates; Vectors - 9.3 The Complex Plane; De Moivre's Theorem - 9.3 Assess Your Understanding - Page 594: 29



Work Step by Step

By computing using the given values: $3\cdot (\cos {(\frac{3\pi}{2})}+i\cdot \sin{(\frac{3\pi}{2}))} \\=3(0-i) \\=0-3i \\=-3i$
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