5.2 Verifying Trig. Identities
Ex. #1 ­
tan x csc x = sec x
1
Ex. #2 ­
csc x cos x tan x = 1
2
Ex. #3 ­
tan2x cos2x = 1 ­ cos2x
3
Ex. #4 ­
tan θ = cos θ sin θ cot2θ
4
Ex. #5 ­
sec x ­ sin x = cot x
sin x cos x
5
Ex. #6 ­
sec x ­ tan x = 1
cos x cot x
6