0=x^2/2-2cosx - solution

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Solution for 0=x^2/2-2cosx equation:

10*(log(3)(31+231))+22 = 13

10*(log(3)(31+231))+22 = 0

{root[2][16.666]}

(x+21)/(x+25) = 0.86;x

x

(x+20.5)/(x+25) = 0.86;x

x

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