document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1072895>Question 1072895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I am trying to find the solution to this problem<BR>\n" );
document.write( "If cotangent of theta equals -9/2, find sine of theta \r<BR>\n" );
document.write( "\n" );
document.write( "I have tried to use the equations: cotangent theta = 1/ tangent\r<BR>\n" );
document.write( "\n" );
document.write( "then: \r<BR>\n" );
document.write( "\n" );
document.write( "tangent squared theta + 1 = secant squared theta\r<BR>\n" );
document.write( "\n" );
document.write( "so I could then use this formula: secant theta = 1/ cosine of theta\r<BR>\n" );
document.write( "\n" );
document.write( "so I could finally use the formula: tangent of theta = sine of theta / cosine of theta.<BR>\n" );
document.write( "my final answer was -1.1981 \r<BR>\n" );
document.write( "\n" );
document.write( "thanks,<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687759 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=687759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  cotangent of theta equals -9/2, find sine of theta <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "cot = x/y<BR>\n" );
document.write( "The terminal point is either (-9,2) or (9,-2)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "r = sqrt(x^2+y^2) = sqrt(85)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "sine = y/r = 2/sqrt(85) or -2/sqrt(85)<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "my final answer was -1.1981<BR>\n" );
document.write( "The sine < -1 --> theta is not a real number.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );