## University Calculus: Early Transcendentals (3rd Edition)

The period of $\sin{x}$ is $\pi$
The given graph shows the function $y=\sin{2x}$ As shown in the graph, the period is $2\pi$ To evaluate the period of $\sin{x}$, we note that the graph of $\sin{x}$ is compressed by 2. So, the period of $\sin{x}=\frac{2\pi}{2}=\pi$