document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=923300>Question 923300</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Why is sin(-17&#960;/4) evaluated to -1/&#8730;2 I keep getting the answer -&#8730;2/2\r<BR>\n" );
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document.write( "how would I evaluate cos(163&#960;)?\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559946 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=559946\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Why is sin(-17&#960;/4) evaluated to -1/&#8730;2 I keep getting the answer -&#8730;2/2<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fsqrt%282%29+=+sqrt%282%29%2F2 ALIGN=MIDDLE  ALT=\"1%2Fsqrt%282%29+=+sqrt%282%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "They're the same.<BR>\n" );
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document.write( "how would I evaluate cos(163&#960;)?<BR>\n" );
document.write( "163pi = 81*(2pi) + pi<BR>\n" );
document.write( "--> cos(pi) = -1 </SPAN>\n" );
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