document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=585914>Question 585914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A library is 46.5 feet tall. It casts a shadow of 8.2 feet.<BR>\n" );
document.write( "What is the sun's angle of elevation?\r<BR>\n" );
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document.write( "I don't understand how to find the elevation. My teacher has gone over it and I have asked for help, but I still don't get it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373543 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=373543\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The angle of elevation is \r<BR>\n" );
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document.write( "arctan(46.5/8.2) = 79.999 or about 80 degrees\r<BR>\n" );
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document.write( "The reason why I'm using the arctangent function is because the tangent of this unknown angle is equal to the ratio or quotient of the opposite side (46.5) divided by the adjacent side (8.2). We must use the arctangent to find the unknown angle (since it \"undoes\" the tangent function)\r<BR>\n" );
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