Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions Values and Angle Measures - 5.3 Exercises: 38

Answer

$\sqrt 2$

Work Step by Step

$sec45^{0}=\dfrac {1}{\cos 45^{0}}=\dfrac {1}{\dfrac {\sqrt {2}}{2}}=\dfrac {2}{\sqrt {2}}=\sqrt {2}$
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.