document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106690>Question 106690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A commercial airline is flying at 10km from the ground. It it approches the landing at an angle of 5 degrees from the ground, at what distance should the airplane begin it's descent?   (answer is 114km from the airport, but need to know how to get there) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77641 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77641\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Construc a right triangle with hight 10 and angle opposite the height of 5 deg.<BR>\n" );
document.write( "You need to know the length of the line adjacent to the angle (running along the ground).<BR>\n" );
document.write( "cot=adj/opp<BR>\n" );
document.write( "cot(5)=a/10<BR>\n" );
document.write( "a=cot(5)*10<BR>\n" );
document.write( "a=114.301 km<BR>\n" );
document.write( "Ed </SPAN>\n" );
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