document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115434>Question 1115434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help <BR>\n" );
document.write( "Given that the exact value of cos pi/5 = 1 + sqrt5/4, for each question calculate the exact value of the given expression. You may leave nested radicals in your answer.\r<BR>\n" );
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document.write( "18. Cos 2pi/5\r<BR>\n" );
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document.write( "19. Cos pi/10\r<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 #730293 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that the exact value of cos pi/5 = 1 + sqrt5/4, for each question calculate the exact value of the given expression. You may leave nested radicals in your answer.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos+pi%2F5+=+1+%2B+sqrt5%2F4 ALIGN=MIDDLE  ALT=\"cos+pi%2F5+=+1+%2B+sqrt5%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Makes no sense. </SPAN>\n" );
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