SOLUTION: Show: {{{(1-3sin(x)-4sin^2(x))/(cos^2(x)) = (1-4sin(x))/(1-sin(x))}}}

Algebra ->  Proofs -> SOLUTION: Show: {{{(1-3sin(x)-4sin^2(x))/(cos^2(x)) = (1-4sin(x))/(1-sin(x))}}}      Log On


   

Question 1105010: Show:
Answer by greenestamps(13198) About Me  (Show Source):
You can put this solution on YOUR website!


(1) Replace the denominator %28cosx%29%5E2 with 1-%28sinx%29%5E2%29.
(2) Factor numerator and denominator and simplify.