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How can I include in my following `ListPlot` command that I want `theta` to have the values 0, 22.5, 45, 67.5 and 90? Ks[theta_?NumericQ]:=Table[{A,NIntegrate[x f2[A,x],{x,0,1}]},{A,{0,0.05,0.15,0.25,6}}]; ...