document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=861036>Question 861036</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write each expression in terms of a single trigonometric function: \r<BR>\n" );
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document.write( "1.sinxcos2x-sin2xcosx<BR>\n" );
document.write( "2.cos4xcos3x-sin3xsin4x<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 #518874 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=518874\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write each expression in terms of a single trigonometric function: <BR>\n" );
document.write( "1.sinxcos2x-sin2xcosx<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "sin(x)(1-2sin^2(x)) - 2sin(x)cos^2(x)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= sin(x) - 2sin^3(x) - 2sin^2(x) -2sin^3(x)<BR>\n" );
document.write( "= -4sin^3(x) - 2sin^2(x) + sin(x)<BR>\n" );
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document.write( "2.cos4xcos3x-sin3xsin4x<BR>\n" );
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document.write( "(1/2)[cos(x) + cos(7x)] - (1/2)[cos(x)-cos(7x)]<BR>\n" );
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document.write( "= 2cos(7x)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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