document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=800449>Question 800449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If tanx = 3/7 find the exact value of cosx. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483068 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=483068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If tanx = 3/7 find the exact value of cosx.<BR>\n" );
document.write( "assume x=acute angle<BR>\n" );
document.write( "hypotenuse of reference right triangle=&#8730;(3^2+7^2)=&#8730;(9+49)=&#8730;58<BR>\n" );
document.write( "tanx=sinx/cosx=3/7<BR>\n" );
document.write( "cosx=7/&#8730;58=7&#8730;58/58 </SPAN>\n" );
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