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

9-159.

Find possible equations for the graph below in terms of both sine and cosine.

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

Cosine Function

The cosine is shifted to the right .

Be careful with your sign.