document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=595498>Question 595498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If sin t= 5/13, what is cos t? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377177 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=377177\">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( "(5/13)^2 + cos^2  = 1\r<BR>\n" );
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document.write( "25/169 + cos^2 = 1\r<BR>\n" );
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document.write( "cos^2 = 1 - 25/169\r<BR>\n" );
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document.write( "cos^2 = 144/169\r<BR>\n" );
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document.write( "cos = sqrt(144/169)\r<BR>\n" );
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document.write( "cos = 12/13\r<BR>\n" );
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document.write( "So cos(t) = 12/13 </SPAN>\n" );
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