I need to find the proof cot^2-1/csc^2=1-2sin^2
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Type: Posts; User: jamesjonesmiami
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Oct 16, 2012, 05:35 PM
Question: Proving trigonometric identities solver?
by jamesjonesmiami- Answers
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I need to find the proof cot^2-1/csc^2=1-2sin^2
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