1. Warm-up
1)Simplify and leave in simplest radical form: 2) The function y = 14,000(0.8)x represents the value of a car x years after purchase. Find the yearly rate of depreciation of the car. 3) Sketch a sine and a cosine graph (separate graphs)
(xy)1/2 ∙ (16xy)1/4

2. Homework Answers 1) Check matching with neighbors.
***OMIT TANGENT MATCHING! 
2) (4, 4) and (-4, -4)
3) (3,1) and (-1, -3)

3. Sine and cosine Graph
Day 3

4. Sine and Cosine Graph

5. Sine and Cosine Graph

6. Tangent Graph

7. Amplitude and Midline

8. Amplitude and Midline

10. Graphing

11. Graphing

12. Graphing

13. Graphing

14. Write the Equations: Not in notes How can we get these answers?1
y=1
y=sinx + 1 2
y= -1
y=2cosx-1

15. You Try!