1. THE UNIT CIRCLE Day 2

2. 30 0 45 0 60 0 90 0 120 0 135 0 150 0 180 0 210 0 225 0 240 0 270 0 300 0 315 0 330 0 0, 360 0 (1, 0) (-1, 0) (0, 1) (0, -1)

3. 0 Divide each semi-circle into 4 parts. Jeff Bivin -- LZHS

4. 0 Can we reduce any of those fractions? Divide each semi-circle into 6 parts.

5. 0 Putting the radian measures together!

6. 0 Compare to the degree measure  π = 180 o

7. 0 (1, 0) (-1, 0) (0, 1) (0, -1) Look at the points!

8. 30 0 45 0 60 0 90 0 120 0 135 0 150 0 180 0 210 0 225 0 240 0 270 0 300 0 315 0 330 0 0, 360 0 (1, 0) (0, 1) (-1, 0) (0, -1) Putting it all together!