document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=954939>Question 954939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to use law of cosines, but I keep going wrong somewhere. I know sides c=90in and b=45in and the angle A=30. Please help me fill out the rest of the triangle! Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #583295 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=583295\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Law Of Cosines, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%5E2%2Bb%5E2-2cb%2Acos%28A%29=a%5E2 ALIGN=MIDDLE  ALT=\"c%5E2%2Bb%5E2-2cb%2Acos%28A%29=a%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
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document.write( "Symmetric Property and substitute given values, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2=90%5E2%2B45%5E2-2%2A90%2A45%2Acos%2830%29 ALIGN=MIDDLE  ALT=\"a%5E2=90%5E2%2B45%5E2-2%2A90%2A45%2Acos%2830%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
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document.write( "Evaluate or compute, and find square root of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2 ALIGN=MIDDLE  ALT=\"a%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=a=sqrt%2890%5E2%2B45%5E2-2%2A90%2A45%2Acos%2830%29%29 ALIGN=MIDDLE  ALT=\"a=sqrt%2890%5E2%2B45%5E2-2%2A90%2A45%2Acos%2830%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Study the form of the formula carefully, and you should be able to make two other equations.\r<BR>\n" );
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document.write( "One of them,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2%2Bb%5E2-2ab%2Acos%28C%29=c%5E2 ALIGN=MIDDLE  ALT=\"a%5E2%2Bb%5E2-2ab%2Acos%28C%29=c%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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