Question
Mon September 21, 2009 By:

Proove that sinA+cosA+sinA-cosA=2sinA-cosA.sinA+cosA.sin2A-cos2A

Expert Reply
Wed October 07, 2009

We have not understood the query that you have posted. We would request you to clarify / provide additional details so that we may answer this to the best of the ability.

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