document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946513>Question 946513</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given sin theta=4/11, where pi/2 < theta < pi, find the value of sin 2 theta </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577550 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=577550\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given sin theta=4/11, where pi/2 < theta < pi, find the value of sin 2 theta<BR>\n" );
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document.write( "x is negative in QII<BR>\n" );
document.write( "Since sin = y/r, y = 4 and r = 11<BR>\n" );
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document.write( "x = -sqrt[11^2-4^2] = -sqrt(105)<BR>\n" );
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document.write( "cos(t) = x/r = -sqrt(105)/11<BR>\n" );
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document.write( "sin(2t) = 2*sin(t)(cos(t)) = 2*(4/11)(-sqrt(105)/11)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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