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Prove 1+sec2x / tan2x = cotx

  • Math -

    (cos2x+1)/cos2x / sin2x/cos2x
    (cos2x+1)/sin2x
    (2cos^2 x - 1 + 1)/(2sinx cosx)
    2cos^2 x/(2sinx cosx)
    cosx/sinx
    cotx

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