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March 30, 2017

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prove(sinx/cosx+1)+(cosx-1/sinx)=0

  • Trig - ,

    sin/(cos+1) + (cos-1)/sin
    = [sin*sin + (cos-1)(cos+1)]/[sin(cos+1)]
    = (sin^2 + cos^2 - 1)/[sin(cos+1)]
    = (1-1)/[sin(cos+1)]
    = 0

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