document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=791551>Question 791551</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is sin630?\r<BR>\n" );
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document.write( "Technically, it's on the 270 degree line (between 3rd & 4th quadrant)\r<BR>\n" );
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document.write( "Since it's on the y-intercept, wouldn't that made the triangle undefined?\r<BR>\n" );
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document.write( "I'm not too sure how this works, Please reply ASAP. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #479624 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=479624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since sin(270) = -1, this means that sin(630) = -1\r<BR>\n" );
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document.write( "The reason why sin(270) = -1 is because sin(theta) is equal to the y coordinate of the point on the unit circle. It turns out that the y coordinate at this angle is -1. </SPAN>\n" );
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