% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
\begin{tikzpicture}
	\pgfplotsset{
		every axis plot/.append style={line width=0.8pt},
	}
    \begin{axis}[%
        /pgf/number format/1000 sep={ },
        /pgf/number format/use comma,        
        axis lines=middle,
        axis line style={-Triangle},
		width=\linewidth*\getDarcImageFactor,
        height=4cm,
        scale only axis,
        ytick={-1,0,1},
        every major tick/.append style={thick, black},
        xtick={0.25*pi,0.5*pi,0.75*pi,pi,1.25*pi,1.5*pi,1.75*pi,2*pi,2.5*pi},
        grid=major,
        grid style={line width=.1pt, draw=gray!10},
        major grid style={line width=.2pt,draw=gray!50},
        xticklabel=\empty,
        yticklabel=\empty,
        xtick style={draw=none},
        ytick style={draw=none},
        xmin=0,
        xmax=2.2*pi,
        ymin=-1.5,
        ymax=1.5,
        xmajorgrids=false,
        ymajorgrids=false,
        xlabel style={at={(ticklabel* cs:1)},anchor=north east},
        ylabel style={at={(ticklabel* cs:1)},anchor=south east, rotate=90},
        ylabel={Amplitude},
        xlabel={$t$},
    ]

    \addplot[domain=0.0*pi:2.0*pi,black,samples=3000]                           {cos(x*180/pi)*sin(25*x*180/pi)};
    \addplot[domain=0.96*pi:1.04*pi,black,samples=3000,DARCred,fill=DARCred!50] {cos(x*180/pi)*sin(25*x*180/pi)};
    
\end{axis}
\end{tikzpicture}%