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Graph each of the following trig functions. 9-82 HW eTool.

  1. sin and cos on the same set of axes.

    Review the Math Notes box in Lesson 7.2.4.

  2. Use your answer to part (a) to graph sin cos.

    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.