## Trigonometry (11th Edition) Clone

Published by Pearson

# Chapter 4 - Test - Page 193: 1b

#### Answer

sine function $(y=\sin{x})$

#### 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 0\$, then the function must be the sine function.

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