SOLUTION: How can you solve to verify this identity: 4cot^2y(sec^2y-1)=1

SOLUTION: How can you solve to verify this identity: 4cot^2y(sec^2y-1)=1

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Question 535149: How can you solve to verify this identity:
4cot^2y(sec^2y-1)=1
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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