document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126914>Question 1126914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove the following identity.\r<BR>\n" );
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document.write( "cos2x/sinx = cscx-2sinx\r<BR>\n" );
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document.write( "How do I go about this problem? I'm stuck on where to start and any help would be greatly appreciated.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743231 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</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=743231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%282x%29%2Fsin%28x%29+=+csc%28x%29-2sin%28x%29 ALIGN=MIDDLE  ALT=\"cos%282x%29%2Fsin%28x%29+=+csc%28x%29-2sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "start with left side and arrive to right side \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%282x%29%2Fsin%28x%29 ALIGN=MIDDLE  ALT=\"cos%282x%29%2Fsin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > .....since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%282x%29=cos%5E2%28x%29+-+sin%5E2%28x%29 ALIGN=MIDDLE  ALT=\"cos%282x%29=cos%5E2%28x%29+-+sin%5E2%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=%28cos%5E2%28x%29+-+sin%5E2%28x%29%29%2Fsin%28x%29 ALIGN=MIDDLE  ALT=\"%28cos%5E2%28x%29+-+sin%5E2%28x%29%29%2Fsin%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=cos%5E2%28x%29%2Fsin%28x%29+-+sin%5E2%28x%29%2Fsin%28x%29 ALIGN=MIDDLE  ALT=\"cos%5E2%28x%29%2Fsin%28x%29+-+sin%5E2%28x%29%2Fsin%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=cos%5E2%28x%29%2Fsin%28x%29+-+sin%28x%29 ALIGN=MIDDLE  ALT=\"cos%5E2%28x%29%2Fsin%28x%29+-+sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...............since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%5E2%28x%29=1+-+sin%5E2%28x%29 ALIGN=MIDDLE  ALT=\"cos%5E2%28x%29=1+-+sin%5E2%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=%281+-+sin%5E2%28x%29%29%2Fsin%28x%29+-+sin%28x%29 ALIGN=MIDDLE  ALT=\"%281+-+sin%5E2%28x%29%29%2Fsin%28x%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=1%2Fsin%28x%29++-+sin%5E2%28x%29%2Fsin%28x%29+-+sin%28x%29 ALIGN=MIDDLE  ALT=\"1%2Fsin%28x%29++-+sin%5E2%28x%29%2Fsin%28x%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=1%2Fsin%28x%29++-+sin%28x%29+-+sin%28x%29 ALIGN=MIDDLE  ALT=\"1%2Fsin%28x%29++-+sin%28x%29+-+sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.............since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fsin%28x%29+=csc%28x%29 ALIGN=MIDDLE  ALT=\"1%2Fsin%28x%29+=csc%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=csc%28x%29-2sin%28x%29 ALIGN=MIDDLE  ALT=\"csc%28x%29-2sin%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > -> we have arrived to right side\r<BR>\n" );
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