document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159350>Question 1159350</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Explain why 0.7071067812 is not the EXACT value of cos 45° </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782361 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=782361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a 45-45-90 triangle, the sides are 1/1/sqrt(2)<BR>\n" );
document.write( "the cosine is 1/sqrt(2) or sqrt (2)/2<BR>\n" );
document.write( "That is the exact answer.  Anything else is rounding. </SPAN>\n" );
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