SOLUTION: Prove the identity cot A = sin2A/1-cos2A.

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Question 960754: Prove the identity cot A = sin2A/1-cos2A.
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!


Use these two identities on the right side: 

               and 

     

     

     

     


     

     
Edwin
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