1. February 22nd copyright2009merrydavidson
Take out homework to be graded

2. MULTIPLY: b)
factor quiz tomorrow!!!

3. FACTOR COMPLETELY: b) c)
Factor quiz tomorrow!!!

4. TRIGONOMETRIC IDENTITIES
An IDENTITY is a statement that two quantities are equal.
Reciprocal Identities
Write these in on NOTES for 1 - 3
Fill in #4 – 9 on WS using division. You should know the answer to 10, 11.

5. It should look like this……

6. Pythagorean Theorem Identities 12) 13) 14)
Write these
in on the WS. Fill in #15 – 20 using addition or subtraction.

7. It should look like this……

8. What major difference do you see between the reciprocal and Pythagorean identities?
Pythagorean identities have a “squared” in it.

9. ADDING TRIG EXPRESSIONS1)
Find the LCD
Using fancy form of 1, multiply each term by what is missing from the LCD.
Combine to 1 fraction.
Showing all of the work is what I will grade. Not just the answer.

10. ADDING TRIG EXPRESSIONS2)
Find the LCD
Using fancy form of 1, multiply each term by what
is missing from the LCD.
Combine to
1 fraction.

11. 3)

12. 4)

13. 5)

14. HW: WS 9-1