document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012333>Question 1012333</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove the identity sin(pi/2-x) cot(pi/2+x)= -sinx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #628222 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=628222\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sin%28pi%2F2-x%29+cot%28pi%2F2%2Bx%29=+-sin%28x%29+ ALIGN=MIDDLE  ALT=\"+sin%28pi%2F2-x%29+cot%28pi%2F2%2Bx%29=+-sin%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "using Cofunctions Identities, we have:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28pi%2F2-x%29+=cos%28x%29 ALIGN=MIDDLE  ALT=\"sin%28pi%2F2-x%29+=cos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cot%28pi%2F2%2Bx%29=-tan%28x%29 ALIGN=MIDDLE  ALT=\"cot%28pi%2F2%2Bx%29=-tan%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%29+%28-tan%28x%29%29=+-sin%28x%29 ALIGN=MIDDLE  ALT=\"cos%28x%29+%28-tan%28x%29%29=+-sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ...since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-tan%28x%29=-sin%28x%29%2Fcos%28x%29 ALIGN=MIDDLE  ALT=\"-tan%28x%29=-sin%28x%29%2Fcos%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we have\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%29+%28-sin%28x%29%2Fcos%28x%29%29=+-sin%28x+%29 ALIGN=MIDDLE  ALT=\"cos%28x%29+%28-sin%28x%29%2Fcos%28x%29%29=+-sin%28x+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%28cos%28x%29+%29%28-sin%28x%29%2Fcross%28cos%28x%29%29%29=+-sin%28x%29 ALIGN=MIDDLE  ALT=\"cross%28cos%28x%29+%29%28-sin%28x%29%2Fcross%28cos%28x%29%29%29=+-sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-sin%28x%29=+-sin%28x%29+ ALIGN=MIDDLE  ALT=\"-sin%28x%29=+-sin%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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