SOLUTION: Express as a product 1-2sina-cos2a I know formulas but not how to apply

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Question 1126040: Express as a product
1-2sina-cos2a
I know formulas but not how to apply

Answer by Alex.33(110)   (Show Source): You can put this solution on YOUR website!
1-2sina-cos2a=1-2sina-(1-2sin^2(a))=2sin^2(a)-2sina=2sina(sina-1)
This is the most simplified and good-looking product form I can reach. Hope that helps!

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