CPM Homework Help : CCA2 Problem 10-92

Using a graph of $y = \operatorname { sin } x$ as a reference, graph $y = | \operatorname { sin } x|$ .

Hint:

The graph of $y = \operatorname { sin } x$ is shown below. What effect does absolute value have on a graph?

Repeating wave curve, first visible high & low points: (negative 3 pi halves, comma 1) & (negative pi halves, comma negative 1), continuing in that pattern, just past 2 pi.