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Trig.

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prove 2csc(2x)= csc(x)^2tanx

  • Trig. -

    L.H. Side:
    2 csc(2x) = 2/sin(2x)
    = 1/(sinx cosx)

    R.H. side:
    csc(x)^2 tan x = (1/sin^2x)(sinx/cosx)
    = 1/(sinx cosx)

    q.e.d.

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