1. Friday Already! 
Check your work please against the solution set! Any marks that you make on your paper need to be in a different colored pen. There are some in the pencil box if you need them. Then Score your work and record on sheet. Be sure to use the rubric on the top of the score sheet!

2. Trigonometric Functions1
1.1 Angles ✅
1.2 Angle Relationships and Similar Triangles
1.3 Trigonometric Functions
1.4 Using the Definitions of the Trigonometric Functions

3. Trigonometric Functions
1.3
Trigonometric Functions
Trigonometric Functions ▪ Quadrantal Angles

4. Trigonometric Functions
Let (x, y) be a point other then the origin on the terminal side of an angle  in standard position. The distance from the point to the origin is
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5. Trig Functions

6. Example 1
FINDING FUNCTION VALUES OF AN ANGLE
The terminal side of angle  in standard position passes through the point (12,5). Find the values of the six trigonometric functions of angle .

7. Example 2
FINDING FUNCTION VALUES OF AN ANGLE
The terminal side of angle  in standard position passes through the point (8, -6). Find the values of the six trigonometric functions of angle .

8. Example 3
FINDING FUNCTION VALUES OF AN ANGLE
Find the six trigonometric function values of the angle θ in standard position, if the terminal side of θ is defined by 3x-2y = 0, x ≤ 0.

9. Example 4
FINDING FUNCTION VALUES OF QUADRANTAL ANGLES
(a) Find the values of the six trigonometric functions for an angle of 360°.

10. Example 4
FINDING FUNCTION VALUES OF QUADRANTAL ANGLES
(b) Find the values of the six trigonometric functions for an angle θ in standard position with terminal side through (0, -5).

11. Conditions for Undefined Function Values
If the terminal side of the quadrantal angle lies along the y-axis, which functions are undefined?
If the terminal side of a quadrantal angle lies along the x-axis, which functions are undefined?

12. Funtion Values of Quadrantal Angles

13. Function Values of Quadrantal Angles

14. Assignment
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