### Home > CCA2 > Chapter 9 > Lesson 9.3.1 > Problem 9-82

9-82.

Graph each of the following trig functions. *9-82 HW eTool* (Desmos).

sinand coson the same set of axes. Review the Math Notes box in Lesson 7.2.4.

Use your answer to part (a) to graph

sincos . Try adding and then graphing the

-values of each function for each multiple of . Use the eTool below to help you with this problem.

Click on the link at right for the full eTool version:*CCA2 9-82 HW eTool*.