document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099379>Question 1099379</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If cosx=-3/5, and x is in between 180 and 360 degrees, find the value of sinx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #713814 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=713814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos x is negative in the third quadrant, not the fourth, and  sin x is negative in the third quadrant.<BR>\n" );
document.write( "cos^2x + sin ^2 x=1<BR>\n" );
document.write( "Therefore, sin ^2 x=1=9/25=16/25<BR>\n" );
document.write( "sin x=-4/5 </SPAN>\n" );
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