1. Exact values with given information
Establish Identities

2.  sin 2 2sin cos  

3. 3
5 2Given cos , 0 
   
 Find sin 2

4.   2 2
cos 2 cos sin   
  2
cos 2 2cos 1  
  2
cos 2 1 2sin  

5. 3
5 2Given cos , 0 
   
 Find cos 2

6.  
2
2
sec
sec 2
2 sec






7. p. 490 # 1, 4 - 6, 7 - 13 odd
(a,b), 36 - 40 even