document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972825>Question 972825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value of cos 405 degrees oftthis trigonometric function </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595046 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=595046\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Start with the unit vector of the unit circle<BR>\n" );
document.write( "at 0 degrees<BR>\n" );
document.write( "Then rotate 360 degrees back to where you started<BR>\n" );
document.write( "Then rotate 45 degrees more.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+360+%2B+45+=+405+ ALIGN=MIDDLE  ALT=\"+360+%2B+45+=+405+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You are in the 1st quadrant where the cosine is positive<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos%28+405+%29+=+cos%28+45+%29+ ALIGN=MIDDLE  ALT=\"+cos%28+405+%29+=+cos%28+45+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos%28+405+%29+=+sqrt%282%29+%2F+2+ ALIGN=MIDDLE  ALT=\"+cos%28+405+%29+=+sqrt%282%29+%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );