document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=977081>Question 977081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given: right triangle ABC with a=2 and c=&#8730;7   find b<BR>\n" );
document.write( "c is the hypotenuse, a is the base, and b makes the right triangle basically; height.\r<BR>\n" );
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document.write( "So, I did Cosine or SOHCAHTOA, CAH. Cosine - adjacent over hypotenuse. So I did, cos(2/&#8730;7) = .99 which is equivalent to 1. But, that answer didn't pop up. And I also did the Law of Sine.<BR>\n" );
document.write( "Sin(30°)/b x Sin(60°)/2 <BR>\n" );
document.write( "2Sin(30°) divides by Sin(60°) = 1.15<BR>\n" );
document.write( "Still those two are not the answer in the multiple choice. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #598592 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=598592\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=2<BR>\n" );
document.write( "b=sqrt(3)<BR>\n" );
document.write( "c=sqrt (7)<BR>\n" );
document.write( "a^2+b^2=c^2\r<BR>\n" );
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document.write( "cos (2/sqrt (7)=0.7559<BR>\n" );
document.write( "sqrt (7) is at least 2.6, so it can't be 0.99<BR>\n" );
document.write( "cosine =40.89 degrees<BR>\n" );
document.write( "sin (sqrt(3/7))=0.6547=40.89 degrees, which it should.\r<BR>\n" );
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document.write( "b must be sqrt (3)<BR>\n" );
document.write( " </SPAN>\n" );
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