document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=648063>Question 648063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find other fundamental identities if tan theta=8/15 and sec theta <0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406838 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=406838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find other fundamental identities if tan theta=8/15 and sec theta <0<BR>\n" );
document.write( "tan>0 in quadrants I and III<BR>\n" );
document.write( "sec<0 in quadrants III and IV<BR>\n" );
document.write( "so, we are working with a reference angle and right  triangle in quadrant III<BR>\n" );
document.write( "opposite side=-8<BR>\n" );
document.write( "adjacent side=-15<BR>\n" );
document.write( "hypotenuse=&#8730;(8^2+15^2)=&#8730;(64+225)=&#8730;289=17<BR>\n" );
document.write( "..<BR>\n" );
document.write( "fundamental identities:<BR>\n" );
document.write( "sin theta=-8/17<BR>\n" );
document.write( "cos theta=-15/17<BR>\n" );
document.write( "tan theta=8/15<BR>\n" );
document.write( "csc theta=-17/8<BR>\n" );
document.write( "sec theta=-17/15<BR>\n" );
document.write( "cot theta=15/8 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );