1. Warm Up Sketch one cycle of the sine curve:
1. amplitude = 3, period= π
2. amplitude = .5, period= π/2
3. y = 2sin ө
4. y = 3sin ө/2

2. An angle is in standard position when the vertex is at the origin and one ray is on the positive x-axis. The ray on the x-axis is the initial side of the angle; the other ray is the terminal side of the angle.
Draw the angles
a. 90°
b. 45°
c. 30°
d. 150°
e. 135°

4. name 2 coterminal angles (one pos and one neg)
1. 25° ° ° ° ° ° ° °

5. Find Sin Cos and Tan of 120 degrees
Find Sin Cos and Tan of -30 degrees

6. 1. amplitude = 3, period= π

7. 2. amplitude = .5, period= π/2

8. 3. y = 2sin ө

9. 4. y = 3sin ө/2

10. Obj: Graph and write cosine function

11. Ex 1: sketch the graph y = 1.5 cos 2ө

12. Ex 2: sketch the graph y = - cos ө

13. Ex 3: sketch y = 2 cos 2ө

14. Ex 4: Write the cosine function with an amplitude of 3 and period of π

15. Tangent function

17. Period of tan =

18. Ex 3: sketch two cycles of y = tan ө/2

19. Ex 5:

20. Ex 6:
HW L , L