1. The Fundamental Trigonometric Identities
Dr. Shildneck

2. The Reciprocal Identities

3. The Quotient Identities

4. Pythagorean Identities
THE BIG ONE!!

5. Pythagorean Identities

6. Pythagorean Identities

7. The Co-Function Identities
In general, anytime you see or , think “co-” function…

8. The Even/Odd-Function Identities
In general, for odd functions, pull the negative out front.
for even functions, drop the negative.

9. EX 1

10. EX 2

11. EX 3

12. EX 4

13. EX 5

14. EX 6

15. EX 7

16. EX 8
Rewrite the expression so that it is NOT in fractional form:

17. EX 9
If ,
find the value of

18. Assignment 2 – Worksheet Fundamental Identities