Trig

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Verify the following identity:
1-cosx/sinx=sinx/1+cosx

  • Trig -

    You must mean
    (1-cosx)/sinx = sinx/(1+cosx)

    LS = (1-cosx)/sinx * (1+cosx)/(1+cosx)
    = 1 - cos^2 x)/(sinx(1+cosx) )
    = sin^2 x/(sinx(1+cosx) )
    = sinx/(1+cosx)
    = RS

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