SOLUTION: Prove the following identity: cos(x-y)/cosxcosy=1+tanxtany

SOLUTION: Prove the following identity: cos(x-y)/cosxcosy=1+tanxtany

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Question 882094: Prove the following identity: cos(x-y)/cosxcosy=1+tanxtany
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Prove the following identity: cos(x-y)/cosxcosy=1+tanxtany

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