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Home > A2C > Chapter 13 > Lesson 13.2.3 > Problem 13-132

13-132.
  1. Consider the function. Homework Help ✎

    1. Make a complete graph of f(x).

    2. Write a simpler trig function that is represented by the same graph.

    3. Now use the angle sum identity to expand and simplify .

    4. Does your work in part (c) agree with your graphical results from parts (a) and (b)? Explain.

f(x) = −sin(x)

Yes, they do agree.