Answer
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.
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 4 - Test - Page 193: 1c
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
