SOLUTION: Simplify each expression. Evaluate the resulting expression, if possible. tan(4x)/(1-tan^2(4x)) I know the solution is tan(8x)/2 --except I have no idea how to get there. Th

Algebra ->  Trigonometry-basics -> SOLUTION: Simplify each expression. Evaluate the resulting expression, if possible. tan(4x)/(1-tan^2(4x)) I know the solution is tan(8x)/2 --except I have no idea how to get there. Th      Log On


   



Question 729971: Simplify each expression. Evaluate the resulting expression, if possible.
tan(4x)/(1-tan^2(4x))
I know the solution is tan(8x)/2 --except I have no idea how to get there. Thanks so much!

Answer by lynnlo(4176) About Me  (Show Source):