Answer
$$\left(\frac{1}{\sqrt 2}, \frac{1}{\sqrt 2}\right)$$
Work Step by Step
The components of $u$ are given by
$$(\cos 45, \sin 45)=\left(\frac{1}{\sqrt 2}, \frac{1}{\sqrt 2}\right).$$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 13 - Vector Geometry - 13.1 Vectors in the Plane - Exercises - Page 649: 5
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