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diff --git a/usergrps/uktug/baskervi/6_4/0-1-1.tex b/usergrps/uktug/baskervi/6_4/0-1-1.tex
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+
+\begin{pspicture}(-1,-2.5)(9,2.5)
+\psset{xunit=.20mm,yunit=1.75cm}
+\psset{plotpoints=50}
+\psplot[linestyle=dashed,linecolor=blue]
+ {0}{360}{x sin}
+\psplot[plotstyle=dots,dotstyle=triangle]
+ {0}{360}{x cos}
+\psset{plotpoints=200}
+\psplot[linecolor=red]{0}{360}
+ {x dup sin exch cos mul}
+\end{pspicture}