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dexandam
Apr 2, 2007, 07:52 AM
can you please fully write out the answer to verifying the trig identity sec2x- cos2x / sin2x - sinx * cosx= 1+ tanx?
dexandam
Apr 2, 2007, 07:53 AM
verifying the trig identity sin2x- cos2x / sin2-sinxcosx= 1+ tanx?