document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1027630>Question 1027630</A>: <I><SPAN STYLE=\"word-break: break-all;\"> http://prntscr.com/an0h5g\r<BR>\n" );
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document.write( "Out of curiosity, why can't cosine be used to solve this? \r<BR>\n" );
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document.write( "Why can't the hypotenuse be used to figure out how tall the shorter building is? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #642866 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=642866\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Consider the main triangle near the upper neighborhood between the two buildings.  Legs of 51, and y, and the acute angle of this right triangle is 15 degrees.\r<BR>\n" );
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document.write( "The hypotenuse is unknown, and one of the legs, y, is unknown.  You could set up a relationship using cosine if you want.  Go ahead!\r<BR>\n" );
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document.write( "r for the hypotenuse which you do not yet know.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2Acos%2815%29=51 ALIGN=MIDDLE  ALT=\"r%2Acos%2815%29=51\"   DISABLED_style= \"max-width:90%; height:auto;\" >----NOT BAD, is it?  You picked well, and you know you can now find r, the hypotenuse; BUT YOU DO NOT NEED THE HYPOTENUSE!!!\r<BR>\n" );
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document.write( "Let's continue on, your way.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=51%2F%28cos%2815%29%29 ALIGN=MIDDLE  ALT=\"r=51%2F%28cos%2815%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so now you have a value for the hypotenuse, r.  You really now CAN use Pythagorean Theorem to get y.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=51%5E2%2By%5E2=%2851%2F%28cos%2815%29%29%29%5E2 ALIGN=MIDDLE  ALT=\"51%5E2%2By%5E2=%2851%2F%28cos%2815%29%29%29%5E2\"   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=y%5E2=51%2F%28cos%2815%29%29%5E2-51%5E2 ALIGN=MIDDLE  ALT=\"y%5E2=51%2F%28cos%2815%29%29%5E2-51%5E2\"   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=y=sqrt%2851%2F%28cos%2815%29%29%5E2-51%5E2%29 ALIGN=MIDDLE  ALT=\"y=sqrt%2851%2F%28cos%2815%29%29%5E2-51%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, everything computable; compute this and then use it for finding how tall the shorter building is. </SPAN>\n" );
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