document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1079851>Question 1079851</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 I badly need your help :-( as I dont really know how to solve this. <BR>\n" );
document.write( "here are the choices to choose from<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 #694098 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=694098\">put this solution on YOUR website!</A><BR><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 I badly need your help :-( as I dont really know how to solve this. <BR>\n" );
document.write( "here are the choices to choose from<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<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21pi%2F4 ALIGN=MIDDLE  ALT=\"21pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > is in the 3rd quadrant, but <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-+21pi%2F4 ALIGN=MIDDLE  ALT=\"-+21pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > is in the 2nd quadrant, and has a REFERENCE angle of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C3%2C+3pi%2F4%2C+or%2C+135%5Eo%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C3%2C+3pi%2F4%2C+or%2C+135%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. <BR>\n" );
document.write( "Thus, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%281%2C7%2C+-+21pi%2F4%2C+%22=%22%2C+3pi%2F4%2C+or%2C+sqrt%282%29%2F2%2C+%22%28CHOICE%22%2C+%22d.%29%22%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );