SOLUTION: Please help with the following: Simplify the following Sin^2x/(1+Cos x) -1

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Question 1117846: Please help with the following:
Simplify the following
Sin^2x/(1+Cos x) -1

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify the following
Sin%5E2%28x%29%2F%281%2Bcos%28x%29%29+-1
= %281+-+cos%5E2%28x%29%29%2F%281%2BCos%28x%29%29+-1
= %281+-+cos%28x%29%29+-1
= -cos(x)