1. Good Morning, Precalculus! To prepare for class: Begin the "Do Now" on your "Do Now Sheet." Do Now: Set your calculator in degrees mode and record the results for the following values. sin 30sin390cos 24 cos 696 sin 82sin 638cos 28 cos 512

2. Do Now: Set your calculator in degrees mode and record the results for the following values. sin 30sin390cos 24 cos 696 sin 82sin 638cos 28 cos 512

3. Today's Agenda: 1. Do Now 2. Today's Objective 3. Finish up Unit 9, Obj. 3 4. Objective 3 Exit Slip 5. Intro to Unit 9, Obj. 4

4. Today's Objective Un it 9, Objective 3: I will be able to express a value of a trig function of an angle in Quadrant I. (Day 2) pgs 424-425

5. Upcoming Assignments For tomorrow, 3/6 Complete half-sheet Unit 9 Test next Monday (March 11)

6. Finishing Up Unit 9, Obj. 3

9. What if it's in radians?

10. You try it...

11. What if it's negative?

12. You try it...

14. Objective 3 Exit Slip

16. Intro to Unit 9, Obj. 4

17. Unit 9, Obj. 4: I will be able to use sum and difference identities to find the value of a given trig function.