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8/3-1 = 0
(1/4)*(1-((5*sin(pi*x))/e)^2)^(1/2)
((1/4)*(1-((5*sin(pi*x))/e)^2)^1)/2
11.159311302063*x+55.074597661424;1-0.0000120597297*x^2-0.004220243786*x
11.159311302063*x+55.074597661424;0.00001205972967*x^2-0.004220243786*x+1
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