document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129880>Question 1129880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the lengths of the missing sides if side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. <BR>\n" );
document.write( "cos(B) = 4/5,  a = 38\r<BR>\n" );
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document.write( "b=<BR>\n" );
document.write( "c=\r<BR>\n" );
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document.write( "Thanks in advance...  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #746635 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=746635\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the lengths of the missing sides if side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. <BR>\n" );
document.write( "cos(B) = 4/5, a = 38 <BR>\n" );
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document.write( "Draw a right triangle ABC, label the side opposite the angle as a, b, c<BR>\n" );
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document.write( "a side is adjacent to angle B, therefore<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=38%2Fc ALIGN=MIDDLE  ALT=\"38%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Cos(B)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=38%2Fc ALIGN=MIDDLE  ALT=\"38%2Fc\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4/5<BR>\n" );
document.write( "4c = 38 * 5<BR>\n" );
document.write( "4c = 190<BR>\n" );
document.write( "c = 190/4<BR>\n" );
document.write( "c = 47.5 is the hypotenuse<BR>\n" );
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document.write( "Find b<BR>\n" );
document.write( "Find angle B<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%5E-1%28B%29 ALIGN=MIDDLE  ALT=\"cos%5E-1%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F5 ALIGN=MIDDLE  ALT=\"4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B = 36.87<BR>\n" );
document.write( "sin(36.87) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%2F47.5 ALIGN=MIDDLE  ALT=\"b%2F47.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b = 47.5 * sin(36.87)<BR>\n" );
document.write( "b = 28.5\r<BR>\n" );
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