1. Unit 9 – Circular Trigonometry Section 9
Unit 9 – Circular Trigonometry Section 9.1 – Wrapping Function Values No Calculator

2. (0, 1)
(1,0)
(-1, 0)
(0, -1)

6. Summary of Denominators of 2

7. Denominators of 3
Denominators of 6
Denominators of 4

8. Denominators of 3
Denominators of 6
Denominators of 4

9. ALMOST 1
(-, +)
NUMERATOR 1
(+, +)
JUST PAST 1
(-, -)
ALMOST 2
(+, -)

10. Denominators of 3
Denominators of 6
Denominators of 4

11. + + + _ _

13. Let’s try a few more examples…..
Num 1 (+, +)
3 = 1 + 2
Past 1 (-, -)
4 = 2 x 2
Almost 2 (+, -)
6 = 3 x 2
Almost 1 (-, +)
3 = 1 + 2
Make Negative
Make Negative
Past 1 (-, -)
3 = 1 + 2
Make Negative

14. 1
Past 1 (-, -)
Numerator 1 (+, +)
Almost 2 (+, -) 1 2 1 3

15. Numerator 1 (+, +)
Past 1 (-, -)
Almost 1 (-, +) 3 2 1

16. Numerator 1 (+, +)
Almost 2 (+, -) 2 1
Almost 1 (-, +)
Past 1 (-, -)