Trigonometry 7th Edition

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

Chapter 7 - Section 7.6 - Vectors: The Dot Product - 7.6 Problem Set - Page 411: 4

Answer

See below.

Work Step by Step

To get the angle between two nonzero vectors, we must find the inverse cosine of the quotient of their dot product divided by the the product of the magnitudes.
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