document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136236>Question 1136236</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that<BR>\n" );
document.write( "1 - sin²A/(1 + cotA) - cos²A/(1 + tanA) = sinAcosA </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #754025 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=754025\">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=1+-+sin%5E2%28A%29%2F%281+%2B+cot%28A%29%29+-+cos%5E2%28A%29%2F%281+%2B+tan%28A%29%29+=+sin%28A%29cos%28A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Manipulating left side\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+sin%5E2%28A%29%2F%281+%2B+cot%28A%29%29+-+cos%5E2%28A%29%2F%281+%2B+tan%28A%29%29 ALIGN=MIDDLE  ALT=\"1+-+sin%5E2%28A%29%2F%281+%2B+cot%28A%29%29+-+cos%5E2%28A%29%2F%281+%2B+tan%28A%29%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=1+-+sin%5E2%28A%29%2F%281+%2B+cos%28A%29%2Fsin%28A%29%29+-+cos%5E2%28A%29%2F%281+%2B+sin%28A%29%2Fcos%28A%29%29 ALIGN=MIDDLE   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=1+-+sin%5E2%28A%29%2F%28%28sin%28A%29+%2B+cos%28A%29%29%2Fsin%28A%29%29+-+cos%5E2%28A%29%2F%28%28cos%28A%29+%2B+sin%28A%29%29%2Fcos%28A%29%29 ALIGN=MIDDLE   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=1+-+%28sin%5E2%28A%29%2Asin%28A%29%29%2F%28sin%28A%29+%2B+cos%28A%29%29+-%28+cos%5E2%28A%29%2Acos%28A%29%29%2F%28cos%28A%29+%2B+sin%28A%29%29 ALIGN=MIDDLE   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=1+-+sin%5E3%28A%29%2F%28sin%28A%29+%2B+cos%28A%29%29+-+cos%5E3%28A%29%2F%28cos%28A%29+%2B+sin%28A%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "combine the fractions : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-sin%5E3%28A%29%2F%28sin%28A%29+%2B+cos%28A%29%29+-+cos%5E3%28A%29%2F%28cos%28A%29+%2B+sin%28A%29%29=+sin+%28A%29%2Acos+%28A%29-cos%5E2%28A%29-sin%5E2%28A%29 ALIGN=MIDDLE   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=1+%2Bsin+%28A%29%2Acos+%28A%29-cos%5E2%28A%29-sin%5E2%28A%29 ALIGN=MIDDLE  ALT=\"1+%2Bsin+%28A%29%2Acos+%28A%29-cos%5E2%28A%29-sin%5E2%28A%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=1+%2B+sin+%28A%29%2Acos+%28A%29-%28cos%5E2%28A%29%2Bsin%5E2%28A%29%29 ALIGN=MIDDLE  ALT=\"1+%2B+sin+%28A%29%2Acos+%28A%29-%28cos%5E2%28A%29%2Bsin%5E2%28A%29%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=1+%2Bsin+%28A%29%2Acos+%28A%29+-1 ALIGN=MIDDLE  ALT=\"1+%2Bsin+%28A%29%2Acos+%28A%29+-1\"   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%281%29+%2Bsin+%28A%29%2Acos+%28A%29+-cross%281%29 ALIGN=MIDDLE  ALT=\"cross%281%29+%2Bsin+%28A%29%2Acos+%28A%29+-cross%281%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+%28A%29%2Acos+%28A%29 ALIGN=MIDDLE  ALT=\"sin+%28A%29%2Acos+%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-> proved\r<BR>\n" );
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document.write( " </SPAN>\n" );
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