SOLUTION: Which of the following. Is equivalent to 1-cos^2/cos^2? the answer is tan^2 but I don't know how that answer is reached. thanks

Algebra ->  Trigonometry-basics -> SOLUTION: Which of the following. Is equivalent to 1-cos^2/cos^2? the answer is tan^2 but I don't know how that answer is reached. thanks      Log On


   

Question 618490: Which of the following. Is equivalent to 1-cos^2/cos^2? the answer is tan^2 but I don't know how that answer is reached. thanks
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
( 1-cos^2)/cos^2
= sin^2/cos^2
= tan^2