document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1091964>Question 1091964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for sin a= -3/5 with terminal side in QIII and tan b= -5/12 with terminal side in QIV,  find cos(a - b) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #706462 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=706462\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for sin a= -3/5 with terminal side in QIII and tan b= -5/12 with terminal side in QIV,  find cos(a - b)<BR>\n" );
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document.write( "Find the cos(a) and cos(b), then sin(a) and sin(b)<BR>\n" );
document.write( "Then, cos(a-b) = cos(a)*cos(b) + sin(a)*sin(b)<BR>\n" );
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