document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040634>Question 1040634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that \r<BR>\n" );
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document.write( "sin(90-A)=cosA </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #655506 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=655506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the formula,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28X-Y%29=sin%28X%29cos%28Y%29-cos%28X%29sin%28Y%29 ALIGN=MIDDLE  ALT=\"sin%28X-Y%29=sin%28X%29cos%28Y%29-cos%28X%29sin%28Y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substituting,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2890-A%29=sin%2890%29cos%28A%29-cos%2890%29sin%28A%29 ALIGN=MIDDLE  ALT=\"sin%2890-A%29=sin%2890%29cos%28A%29-cos%2890%29sin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2890-A%29=1%2Acos%28A%29-0%2Asin%28A%29 ALIGN=MIDDLE  ALT=\"sin%2890-A%29=1%2Acos%28A%29-0%2Asin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2890-A%29=cos%28A%29 ALIGN=MIDDLE  ALT=\"sin%2890-A%29=cos%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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