TikZ/pgfplots | coordinates Fehler

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\documentclass[7pt,a4paper,twocolumn, twoside,ngerman]{article}
\setlength{\columnsep}{4mm}
\setlength{\columnwidth}{85mm}
\usepackage[utf8]{inputenc}
\usepackage{times}
\usepackage{mathptmx}
\usepackage[cmyk]{xcolor}
\usepackage{tikz}
\usepackage{pgfplots}
\usetikzlibrary{arrows, decorations.markings}
\definecolor{Schwarz0}{cmyk}{0,0,0,1}
\begin{document}
\begin{tikzpicture}
    \begin{axis}[
        axis lines=middle,
        xtick=\empty,
        ytick=\empty,
        xmin=-1.5, xmax=1.5,
        ymin = -1.5, ymax=1.5,
        axis on top=true,
    ]
    \addplot[Schwarz0, 
            mark size = 2.2pt, 
            mark=+,
            mark repeat = 2, 
            mark phase = 2,
            every mark/.append style={rotate=45}
            ]coordinates{(0,0) ( cos(deg(((2/5)*pi))),sin(deg((2/5)*pi))) };
    \end{axis}  
\end{tikzpicture}
\end{document}
 
 
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