document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=717696>Question 717696</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in triangle ABC, a=2, b=3, and c=4. What is the value of cosC? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #440396 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=440396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in triangle ABC, a=2, b=3, and c=4. What is the value of cosC?<BR>\n" );
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document.write( "Use Law of Cosines:<BR>\n" );
document.write( "cos(C) = [2^2+3^2-4^2]/(2*2*3)<BR>\n" );
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document.write( "cos(C) = -3/12 = -1/4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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