document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981869>Question 981869</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a scalene triangle with side b of (&#8730;3 -1) and side c of 5&#8730;2 has angle A which is 75 degrees. You are given that sin 75 degrees = &#8730;3 +1/2&#8730;2. Show that the area of the triangle is 2.5 cm squared.\r<BR>\n" );
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document.write( "my working out:1/2absinC <BR>\n" );
document.write( "               1/2 *5&#8730;2*(&#8730;3 -1*&#8730;3 +1/2&#8730;2<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 #602782 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39632)</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=602782\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your numeric sine of 75 degrees does not work as a possible sine value.  I tried different groupings and the values are wrong.  <BR>\n" );
document.write( "... a web search just showed this:  (sqrt(3)+1)/(2sqrt(2)) which rendered is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%283%29%2B1%29%2F%282sqrt%282%29%29 ALIGN=MIDDLE  ALT=\"%28sqrt%283%29%2B1%29%2F%282sqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Not sure which side b or c you chose as the base.  You might choose side <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=sqrt%283%29-1 ALIGN=MIDDLE  ALT=\"b=sqrt%283%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > for the base; and then the triangle's height would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2Asqrt%282%29%29 ALIGN=MIDDLE  ALT=\"%285%2Asqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > as the side c.\r<BR>\n" );
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document.write( "The height with these assignments would be  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285sqrt%282%29%29sin%2875%29=5sqrt%282%29%28%28sqrt%283%29%2B1%29%2F%282sqrt%282%29%29%29 ALIGN=MIDDLE  ALT=\"%285sqrt%282%29%29sin%2875%29=5sqrt%282%29%28%28sqrt%283%29%2B1%29%2F%282sqrt%282%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the height.\r<BR>\n" );
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document.write( "Putting all this into the area formula,<BR>\n" );
document.write( "area is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F2%29%28sqrt%283%29-1%29%285sqrt%282%29%28%28sqrt%283%29%2B1%29%2F%282sqrt%282%29%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Do  the arithmetic simplifications and see if you have the result you want/expect. </SPAN>\n" );
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