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<DIV>A variant: use this macro of pst-3d adapted by Herbert Voss, I do not
remember in which file...</DIV>
<DIV> </DIV>
<DIV>\documentclass{article}</DIV>
<DIV> </DIV>
<DIV>\usepackage{pst-3d}</DIV>
<DIV> </DIV>
<DIV>\makeatletter<BR>\def\pstSinCos#1#2#3{%<BR>\begingroup%<BR>
\pst@getsinandcos{#1}<BR> \edef\values{\endgroup%<BR>
\def\noexpand#2{\ifcase\pst@quadrant\or\or-\or-\fi\pst@sin}%<BR>
\def\noexpand#3{\ifcase\pst@quadrant\or-\or-\or\fi\pst@cos}}\values}<BR>\makeatother</DIV>
<DIV> </DIV>
<DIV>\begin{document}<BR>\pstSinCos{30}\Sin\Cos<BR>\begin{pspicture}(5,5)<BR>\ThreeDput[normal=\Cos
0 \Sin](0,0,0){\psgrid(5,5)}<BR>\end{pspicture}<BR>\end{document}</DIV>
<DIV> </DIV>
<DIV>ML</DIV></FONT></BODY></HTML>