Question 1
Evaluate the expression tan

+ cos

+ cos

. Do not use tables or a calculator.
◦

+

◦

-

◦

+ 2
◦

-

◦

+

Question 2
Simplify the trigonometric expression sec(x -

) - tan(x +

).
◦ csc x
- sec x
◦ -csc x + cot x
◦ csc x - cot x
◦ csc x + cot x
◦ -csc x - cot x