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

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