document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1109582>Question 1109582</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the characteristics of f(t) = sin t to find the value of sin t when t=-21&#960;/4<BR>\n" );
document.write( "A. sin t=0<BR>\n" );
document.write( "B. sin t=1<BR>\n" );
document.write( "C. sin t=-&#8730;2/2<BR>\n" );
document.write( "D. sin t=&#8730;2/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #724564 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=724564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -21pi/4 = -16pi/4 - 5pi/4 = -24pi/4 + 3pi/4<BR>\n" );
document.write( "-24pi/4 is 3 revolutions.  Delete it.<BR>\n" );
document.write( "-->  +3pi/4<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );