SOLUTION: how do I verify that 1-cos(x^2) / 1 + cos(x^2) = sin(x^4)

Algebra ->  Trigonometry-basics -> SOLUTION: how do I verify that 1-cos(x^2) / 1 + cos(x^2) = sin(x^4)      Log On


   

Question 704572: how do I verify that
1-cos(x^2) / 1 + cos(x^2) = sin(x^4)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how do I verify that
1-cos(x^2) / 1 + cos(x^2) = sin(x^4)
-------------
Is it cos%28x%5E2%29 ?
or cos%5E2%28x%29 ?