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Home > PC > Chapter 9 > Lesson 9.3.5 > Problem 9-159

9-159.
  1. Find possible equations for the graph below in terms of both sine and cosine. Homework Help ✎

Sine Function
1. There is no horizontal shift.
2. It is shifted down 3.
3. The period is π. Find frequency: pb = 2π.
4. The amplitude is 2.

Cosine Function

Be careful with your sign.