document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=688620>Question 688620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if sin&#952; = 8/17 and 0&#8804;&#952;&#8804; &#960;/2, find cos&#952; </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425667 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=425667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin^2 + cos^2 = 1\r<BR>\n" );
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document.write( "(8/17)^2 + cos^2 = 1\r<BR>\n" );
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document.write( "64/289 + cos^2 = 1\r<BR>\n" );
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document.write( "cos^2 = 1 - 64/289\r<BR>\n" );
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document.write( "cos^2 = 225/289\r<BR>\n" );
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document.write( "cos = sqrt(225/289)\r<BR>\n" );
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document.write( "cos = 15/17\r<BR>\n" );
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document.write( "So cos&#952; = 15/17 </SPAN>\n" );
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