document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181498>Question 1181498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Direction:<BR>\n" );
document.write( "1. Read carefully the problems given below.<BR>\n" );
document.write( "2. Analyze the suggested solutions and find out what is wrong with them.<BR>\n" );
document.write( "3. Write your solutions.<BR>\n" );
document.write( "4. Write an explanation why your solution is correct. \r<BR>\n" );
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document.write( "Problem #1. An airplane is flying at constant altitude of 100 m above the ground. At that instant, it was recorded that the angle of depression of the airport is 40°. Find the horizontal distance between the airplane and the airport. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #811400 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=811400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Direction:<BR>\n" );
document.write( "1. Read carefully the problems given below.\r<BR>\n" );
document.write( "\n" );
document.write( "2. Analyze the suggested solutions and find out what is wrong with them.\r<BR>\n" );
document.write( "\n" );
document.write( "3. Write your solutions.\r<BR>\n" );
document.write( "\n" );
document.write( "4. Write an explanation why your solution is correct. \r<BR>\n" );
document.write( "\n" );
document.write( "Problem #1. An airplane is flying at constant altitude of 100 m above the ground. At that instant, it was recorded that the angle of depression of the airport is 40°. Find the horizontal distance between the airplane and the airport.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "2. Analyze the suggested solutions and find out what is wrong with them.\r<BR>\n" );
document.write( "\n" );
document.write( "there are no suggested solutions here\r<BR>\n" );
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document.write( "3. Write your solutions.\r<BR>\n" );
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document.write( "if the angle of depression of the airport is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40 ALIGN=MIDDLE  ALT=\"40\"   DISABLED_style= \"max-width:90%; height:auto;\" >°,altitude <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100m ALIGN=MIDDLE  ALT=\"100m\"   DISABLED_style= \"max-width:90%; height:auto;\" > and  the horizontal distance between the airplane and the airport <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "then\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28+40%29=100m%2Fx ALIGN=MIDDLE  ALT=\"tan%28+40%29=100m%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+100m+%2F+tan%28+40%29 ALIGN=MIDDLE  ALT=\"x+=+100m+%2F+tan%28+40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+100m+%2F+0.83909963117728 ALIGN=MIDDLE  ALT=\"x+=+100m+%2F+0.83909963117728\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+119.18m ALIGN=MIDDLE  ALT=\"x+=+119.18m\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );