document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036736>Question 1036736</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this :\r<BR>\n" );
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document.write( "Solve cos 155° + cos 65°  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #651442 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=651442\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -0.483690<BR>\n" );
document.write( "NOTE: Why is it negative? angles are measured from 0 to 360°, but sin(&#952;) and cos(&#952;) are only defined for 0 to 90°. When either the sin or cos are negative, the angle (&#952;) is larger than 90 degrees, and such angles never appears in any right-angled triangle. </SPAN>\n" );
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