SOLUTION: Verify that sec(x)-cos(x)=tan(x)sin(x) is an identity.

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Question 366623: Verify that sec(x)-cos(x)=tan(x)sin(x) is an identity.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sec(x)-cos(x)=tan(x)sin(x)
Change to sines and cosines
1/cos - cos = (sin/cos)*sin
Multiply by cos
1 - cos^2 = sin^2
I'm convinced.