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 330: 66

Answer

$\langle -24,-5 \rangle$

Work Step by Step

Step 1: $2\textbf {u}+\textbf {v}-6\textbf {v}$ Step 2: $2\cdot\langle -2,5 \rangle+\langle 4,3 \rangle-6\cdot\langle 4,3 \rangle$ Step 3: $\langle -4,10 \rangle+\langle 4,3 \rangle-\langle 24,18\rangle$ Step 4: $\langle -4+4-24,10+3-18 \rangle$ Step 5: $\langle -24,-5 \rangle$
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