ARCSIN function

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  1. - 4th March 2009, 19:25 #2
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    aratti
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    A very good approximation is given by this polynomial.

    arcsin(x) = pi/2 - sqrt(1 - x)(a0 + a1*x + a2*x^2 + a3*x^3)

    where constant are as follow:
    a0 = 1.5707288
    a1 = -0.2121144
    a2 = 0.0742610
    a3 = -0.0187293

    Tray it and see if this polynomial will solve your problem.

    Al.
    Last edited by aratti; - 4th March 2009 at 19:30.
    All progress began with an idea
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