1. Warm Up Change to radians 1. 390° 4. 240° 2. 315° 5. 135°
1. 390° °
2. 315° °
3. -90°
Change to degrees
7. π/ π/4
8. 7π/ π/6

2. L13-3 and L13-4 Objective: Students will draw sine waves and write equations of sine waves

3. Find the period and amplitude

4. Ex 3: find Tangent for the following angles
b. 60°
c. 120°

7. Find the amplitude and period of each sine curve.
Ex 5:

8. Ex 7:

9. Ex 9:

11. Sketch the sine curve

12. Ex 14: Write an equation with a period of π/3 and amplitude of 3
Ex 13: Write the equation for the cycle having period of π and amplitude of 2
Ex 14: Write an equation with a period of π/3 and amplitude of 3
HW L13-3 (p 741) #2-12e CPQ #1-10 L13-4 (p 750) #1-33