Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 4 - Test - Page 193: 1c


cosine function $(y=\cos{x})$

Work Step by Step

The curve is sinusoidal and has a period of $2\pi$. Since the value of the function when $x=0$ is $1$, then the graph must that of the cosine function.
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