document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455545>Question 455545</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sin(&#960;/2-x)cot(&#960;/2+x)=-sinx<BR>\n" );
document.write( "Solve the identity. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312729 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Simplify the left side of identity until reach an expression same with the right side.\r<BR>\n" );
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document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx%2Acos%28pi%2F2%2Bx%29%2Fsin%28pi%2F2%2Bx%29=cosx%2A%28-sinx%29%2Fcosx=-sinx ALIGN=MIDDLE  ALT=\"cosx%2Acos%28pi%2F2%2Bx%29%2Fsin%28pi%2F2%2Bx%29=cosx%2A%28-sinx%29%2Fcosx=-sinx\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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