SOLUTION: Simplify cos y (tan y-sec y)?

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Question 868332: Simplify cos y (tan y-sec y)?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
cos%28y%29%2A%28tan%28y%29-sec%28y%29%29


cos%28y%29%2Atan%28y%29-cos%28y%29%2Asec%28y%29


cos%28y%29%2A%28sin%28y%29%2Fcos%28y%29%29-cos%28y%29%2A%281%2Fcos%28y%29%29


%28cos%28y%29%2Asin%28y%29%29%2Fcos%28y%29-%28cos%28y%29%2A1%29%2Fcos%28y%29


%28cos%28y%29%2Asin%28y%29%29%2Fcos%28y%29-%28cos%28y%29%29%2Fcos%28y%29








%281%2Asin%28y%29%29%2F%281%29-%281%29%2F%281%29


sin%28y%29-1


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Final Answer: sin%28y%29-1