Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 7 - Applications of Trigonometry and Vectors - Section 7.4 Vectors, Operations, and the Dot Product - 7.4 Exercises - Page 331: 74

Answer

$0$

Work Step by Step

Step 1: $\langle 7,-2 \rangle \cdot \langle 4,14 \rangle$ Step 2: $7(4)+(-2)(14)$ Step 3: $28-2(14)$ Step 4: $28-28$ Step 5: $0$
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