document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=809744>Question 809744</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The angle of \theta is between 0 < \theta < 2\pi. Given that the terminal side of \theta passes through (5, -7) use the half angle formulas to find the following\r<BR>\n" );
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document.write( "sin(theta/2)=<BR>\n" );
document.write( "cos(theta/2)=<BR>\n" );
document.write( "tan(theta/2)= </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #487762 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=487762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The angle of \theta is between 0 < \theta < 2\pi. Given that the terminal side of \theta passes through (5, -7) <BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = 5<BR>\n" );
document.write( "y = -7<BR>\n" );
document.write( "r = sqrt[25+49] = sqrt[74]<BR>\n" );
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document.write( "sin = y/r = -7/sqrt(74)<BR>\n" );
document.write( "cos = x/r = 5/sqrt(74)<BR>\n" );
document.write( "tan = y/x = -7/5<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "use the half angle formulas to find the following <BR>\n" );
document.write( "sin(theta/2)= sqrt[(1+cos(theta))/2]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "cos(theta/2)= sqrt[1-cos(theta))/2]<BR>\n" );
document.write( "----<BR>\n" );
document.write( "tan(theta/2)= sqrt[(1-cos(theta))/(1+cos(theta)]<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );