Homework Due Friday, 13/09/13

Page 444, Ex. 20.3; 

#4 & 5

Page 445-446, Ex. 20.4;

#1 a-c-d-h-j, 2 c-d-f, 3, 4, 5, 6 & 7

Hint: In the questions in Ex. 20.3, remember your trigonometric identities and try some algebraic manipulations as well.