SOLUTION: (1/cos(x) + tan(x))(1/cos(x) - tan(x)) = 1 Proof please.

Algebra ->  Trigonometry-basics -> SOLUTION: (1/cos(x) + tan(x))(1/cos(x) - tan(x)) = 1 Proof please.      Log On


   

Question 711651: (1/cos(x) + tan(x))(1/cos(x) - tan(x)) = 1
Proof please.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(1/cos(x) + tan(x))(1/cos(x) - tan(x)) = 1
Step 1: Change to sines and cosines.