Mr. McColley
Name: __________________________
A.P. Calculus
SR9 – Simplifying Trig Expressions / Verifying Identities.
1) Simplify 1 
2) Simplify
1
csc x  1
2
1  cos x
sin x

sin x
1  cos x
3) Verify the Identity Algebraically:
a. sin x 
csc x
 csc x
sec 2 x
b. sec x  tan xsin x  cos x
c.
cos x csc x
 tan x
cot 2 x
d.
csc x cot x

1
sin x tan x
e. sin x 
csc x
 csc x
sec 2 x