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 30 sin 390 cos 24cos 696

sin 82 sin 638 cos 28cos 512

Do Now:

Set your calculator in degrees mode and record the results for the following values.

sin 30 sin 390 cos 24cos 696

sin 82 sin 638 cos 28cos 512

Today's Agenda:1. Do Now2. Today's Objective3. Finish up Unit 9, Obj. 34. Objective 3 Exit Slip5. Intro to Unit 9, Obj. 4

Today's Objective

Unit 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

Upcoming Assignments

For tomorrow, 3/6Complete half-sheet

Unit 9 Test next Monday (March 11)

Finishing Up Unit 9, Obj. 3

What if it's in radians?

You try it...

What if it's negative?

You try it...

You try it...

Objective 3 Exit Slip

Objective 3 Exit Slip

Intro to Unit 9, Obj. 4

Intro to Unit 9, Obj. 4

Unit 9, Obj. 4: I will be able to use sum and difference identities to find the

value of a given trig function.