CPM Homework Banner
9-76.

What reference angle can you use to calculate the sine and cosine of each of the following angles? Refer to the Math Notes box in this lesson. 9-76 HW eTool (Desmos)  Homework Help ✎

Use the eTool below to find the needed reference angles.
Click the link to the right for full version: INT3 9-76 HW eTool.