SOLUTION: Simplify to a single squared trigonometric function cos^2x(sec^2x-1)

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Question 1130890: Simplify to a single squared trigonometric function
cos^2x(sec^2x-1)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
cos^2x(sec^2x-1)
= 1 - cos^2(x)
= sin^2(x)