SOLUTION: establish identity: tan x cot x-cos 2x = sin 2x

SOLUTION: establish identity: tan x cot x-cos 2x = sin 2x

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Question 928703: establish identity: tan x cot x-cos 2x = sin 2x
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
duplicate.
Not an identity.
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