1. Evaluating Angles

2. Revision from last lesson…..
= 1
= 1

3. The coordinates

8. Definition of Trigonometric Functions
Let be a real number and (x, y) the point on the unit circle corresponding to
Sin = y
Csc =
Cos = x
Sec =
Tan =
Cot =

9. Evaluate the six trigonometric functions at each real number.
= y
= x

10. Evaluate the six trigonometric functions at each real number.-2

11. Evaluate the six trigonometric functions at each real number.
(0, -1)
= y
= -1
= -1
= x
= 0
DNE
= 0
DNE
Does Not Exist

12. Evaluate the six trigonometric functions at each real number.-1
Sin
Cos
Tan
Csc
Sec
Cot -1
So, you think you got it now?