document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82694>Question 82694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> simplify the expression: cscx(tan(-x))\r<BR>\n" );
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document.write( "simplify the expression: cotxcos(3.14/2-x)\r<BR>\n" );
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document.write( "verify the identity: cos^4x-sin^4x=cos^2x-sin^2x<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59360 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=59360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> simplify the expression: cscx(tan(-x))<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F%28sinx%29%29%2A%28%28sin%28-x%29%29%2F%28cos%28-x%29%29%29 ALIGN=MIDDLE  ALT=\"%281%2F%28sinx%29%29%2A%28%28sin%28-x%29%29%2F%28cos%28-x%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Reciprocal identity<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F%28sinx%29%29%2A%28%28-sinx%29%2F%28cosx%29%29 ALIGN=MIDDLE  ALT=\"%281%2F%28sinx%29%29%2A%28%28-sinx%29%2F%28cosx%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  even an odd property<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F%28cosx%29 ALIGN=MIDDLE  ALT=\"-1%2F%28cosx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  cancel sinx<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-secx ALIGN=MIDDLE  ALT=\"-secx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  reciprocal identity<BR>\n" );
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document.write( "simplify the expression: cotxcos(3.14/2-x)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cotx%2Acos%28pi%2F2-x%29 ALIGN=MIDDLE  ALT=\"cotx%2Acos%28pi%2F2-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cotx%2Asinx ALIGN=MIDDLE  ALT=\"cotx%2Asinx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  complementary angles<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28cosx%29%2F%28sinx%29%29%2Asinx ALIGN=MIDDLE  ALT=\"%28%28cosx%29%2F%28sinx%29%29%2Asinx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  reciprocal identity<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx ALIGN=MIDDLE  ALT=\"cosx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  cancel sinx<BR>\n" );
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document.write( "verify the identity: cos^4x-sin^4x=cos^2x-sin^2x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%5E2%28x%29%2Bsin%5E2%28x%29%29%28cos%5E2%28x%29-sin%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"%28cos%5E2%28x%29%2Bsin%5E2%28x%29%29%28cos%5E2%28x%29-sin%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  factoring the difference of perfect squares<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%28cos%5E2%28x%29-sin%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"1%28cos%5E2%28x%29-sin%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > pythagorean identity<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%5E2%28x%29-sin%5E2%28x%29=cos%5E2%28x%29-sin%5E2%28x%29 ALIGN=MIDDLE  ALT=\"cos%5E2%28x%29-sin%5E2%28x%29=cos%5E2%28x%29-sin%5E2%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "These can actually be pretty fun once you've memorized all your identitities.  They're like puzzles.  Attack the more complicated side and simplify, it's much easier to break it down than to try to figure out how to build the simpler side into something more complicated.<BR>\n" );
document.write( "Happy Calculating!!!! </SPAN>\n" );
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