document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160122>Question 1160122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of the given expression (using half-angle or double-angle identities)\r<BR>\n" );
document.write( "\n" );
document.write( "sin15°cos15° </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #783273 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=783273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
document.write( "\n" );
document.write( "using Half-Angle Identities\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%2F2%29+=++sqrt%28%281+-+cos%28x%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"sin%28x%2F2%29+=++sqrt%28%281+-+cos%28x%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2830%2F2%29+=++sqrt%28%281+-+cos%2830%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"sin%2830%2F2%29+=++sqrt%28%281+-+cos%2830%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >...... <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2830%29=1%2F2 ALIGN=MIDDLE  ALT=\"sin%2830%29=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29+=++sqrt%28%281+-+sqrt%283%29%2F2%29%2F2%29 ALIGN=MIDDLE  ALT=\"sin%2815%29+=++sqrt%28%281+-+sqrt%283%29%2F2%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29+=+%281%2F4%29%28sqrt%286%29+-+sqrt%282%29%29 ALIGN=MIDDLE  ALT=\"sin%2815%29+=+%281%2F4%29%28sqrt%286%29+-+sqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%2F+2%29=+sqrt%28%281%2Bcos%28x%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"cos%28x%2F+2%29=+sqrt%28%281%2Bcos%28x%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2815%29=sqrt%28%281%2Bcos%2830%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"cos%2815%29=sqrt%28%281%2Bcos%2830%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.......<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2830%29=+sqrt%283%29%2F2 ALIGN=MIDDLE  ALT=\"cos%2830%29=+sqrt%283%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2815%29=+sqrt%28%281%2Bsqrt%283%29%2F2%29%2F2%29 ALIGN=MIDDLE  ALT=\"cos%2815%29=+sqrt%28%281%2Bsqrt%283%29%2F2%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2815%29=%281%2F4%29%28sqrt%282%29+%2B+sqrt%286%29%29 ALIGN=MIDDLE  ALT=\"cos%2815%29=%281%2F4%29%28sqrt%282%29+%2B+sqrt%286%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=%281%2F4%29%28sqrt%286%29+-+sqrt%282%29%29%2A%281%2F4%29%28sqrt%286%29+%2B+sqrt%282%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=%281%2F16%29%28%28sqrt%286%29%29%5E2+-+%28sqrt%282%29%29%5E2%29 ALIGN=MIDDLE  ALT=\"sin%2815%29cos%2815%29=%281%2F16%29%28%28sqrt%286%29%29%5E2+-+%28sqrt%282%29%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=%281%2F16%29%286+-+2%29 ALIGN=MIDDLE  ALT=\"sin%2815%29cos%2815%29=%281%2F16%29%286+-+2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=%281%2F16%29%284%29 ALIGN=MIDDLE  ALT=\"sin%2815%29cos%2815%29=%281%2F16%29%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=%281%2Fcross%2816%294%29%28cross%284%29%29 ALIGN=MIDDLE  ALT=\"sin%2815%29cos%2815%29=%281%2Fcross%2816%294%29%28cross%284%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >}\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2815%29cos%2815%29=1%2F4 ALIGN=MIDDLE  ALT=\"sin%2815%29cos%2815%29=1%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );