Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.7 - The Dot Product - Exercise Set - Page 794: 66


The dot product of two vectors can be calculated from the following steps: 1. Calculate the magnitude of vectors v and w. Here, calculate the magnitude by finding the root of the summation of the components along each unit vector, respectively. 2. Multiply the magnitudes of v and w. 3. Find the cosine of the angle of direction between vectors v and w, respectively. 4. Further, multiply the cosine with the product of v and w. 5. Use all the steps above to find the dot product.

Work Step by Step

Given above.
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