document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=340962>Question 340962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of cos theta if the terminal side of theta in standard position contains the point (6,-8)\r<BR>\n" );
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document.write( "a. -4/5<BR>\n" );
document.write( "b. 3/5<BR>\n" );
document.write( "c. 4/5<BR>\n" );
document.write( "d. -3/5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #244211 by </B><A HREF=/tutors/aboutme.mpl?userid=jrfrunner><B>jrfrunner(365)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jrfrunner><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=jrfrunner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=244211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given point (6,-8)  means x=6, y=-8<BR>\n" );
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document.write( "cos(theta)=x/r  where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=sqrt%28x%5E2%2By%5E2%29 ALIGN=MIDDLE  ALT=\"r=sqrt%28x%5E2%2By%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=sqrt%286%5E2%2B%28-8%29%5E2%29=sqrt%28100%29=10 ALIGN=MIDDLE  ALT=\"r=sqrt%286%5E2%2B%28-8%29%5E2%29=sqrt%28100%29=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29=x%2Fr=6%2F10=3%2F5 ALIGN=MIDDLE  ALT=\"cos%28theta%29=x%2Fr=6%2F10=3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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