SOLUTION: Prove the identity ;
(Cosx / 1 -sinx) - ( cosx / 1 +sinx) = 2tanx
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Question 900778: Prove the identity ;
(Cosx / 1 -sinx) - ( cosx / 1 +sinx) = 2tanx
Answer by Jc0110(165) (Show Source): You can put this solution on YOUR website!
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