Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.4 Trigonometric Functions - Preliminary Questions: 1



Work Step by Step

1. Subtract a full rotation (equivalent to 2$\pi$) 13$\pi$/4 -2$\pi$ = 5$\pi$/4 Because you subtracted a full rotation these two angles are equivalent to one another.
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