document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=469769>Question 469769</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane is flying at an elevation of 24000 feet. It is within sight of the airport and the pilot finds that the angle of depression to the airport is 18 degrees Find the dist  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #322271 by </B><A HREF=/tutors/aboutme.mpl?userid=ccs2011><B>ccs2011(207)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ccs2011><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=ccs2011><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=322271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use trig ratios:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2818%29+=+24%2C000%2Fd ALIGN=MIDDLE  ALT=\"sin%2818%29+=+24%2C000%2Fd\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "where d is distance from plane to airport<BR>\n" );
document.write( "Solve for d:<BR>\n" );
document.write( "Multiply by d on both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2Asin%2818%29+=+24000 ALIGN=MIDDLE  ALT=\"d%2Asin%2818%29+=+24000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide by sin(18) on both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+24000%2Fsin%2818%29 ALIGN=MIDDLE  ALT=\"d+=+24000%2Fsin%2818%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+77665.63 ALIGN=MIDDLE  ALT=\"d+=+77665.63\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "To convert to miles, divide by 5280<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=77665.63%2F5280+=+14.71 ALIGN=MIDDLE  ALT=\"77665.63%2F5280+=+14.71\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Therefore, distance from airport is approximately 14.7 miles </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );