Algebra and Trigonometry 10th Edition

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

Chapter 8 - 8.4 - Vectors and Dot Products - 8.4 Exercises - Page 595: 4



Work Step by Step

$u\cdot v=|u|\cdot|v|~cos~\theta$ If $u$ and $v$ are orthogonal then $\theta=90°$: $u\cdot v=|u|\cdot|v|~cos~90°=|u|\cdot|v|\cdot0=0$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.