1. 5.4 Graphs of Sine and Cosine Period Changes Finding Increments Write equations of sinusoidal functions

2. For period T, the formula will be used to determine the value in the equation of The increments, distance between tick marks, is determined by the formula

3. A period change for trigonometric functions is similar to horizontal stretch/compression factors for other functions you’ve studied.

4. Period: Increments:

5. Period: Increments:

6. Period: Increments:

7. Use the equation to find the amplitude and period without graphing. Amplitude: Period: Increments:

8. Use the equation to find the amplitude and period without graphing. Amplitude: Period: Increments:

9. Assignment p. 415 # 29 – 59 odd