document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553680>Question 553680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am buying an \"A\" frame trailer coupler. I am using it a little different than sometimes used. So I know that the angle of the the coupler is 50 degrees. I need to know that if I attach to steel channels to it, and it's going out at 50 degrees, about how far can I go until the width of the ends is about 70 inches.<BR>\n" );
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document.write( "To state it in plain mathematical terms, if I have a triangle where the top angle is 50 degrees, how far will the two sides be so that the bottom of the triangle is 70 inches long? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #361013 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=361013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if I have a triangle where the top angle is 50 degrees, how far will the two sides be so that the bottom of the triangle is 70 inches long?<BR>\n" );
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document.write( "We know the two other angles will be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28180-50%29%2F2 ALIGN=MIDDLE  ALT=\"%28180-50%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 65 degrees angles B & C<BR>\n" );
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document.write( "Using the law of sines where A=50 degrees, a = 70 inches, find b or c<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28A%29%2Fa ALIGN=MIDDLE  ALT=\"sin%28A%29%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28B%29%2Fb ALIGN=MIDDLE  ALT=\"sin%28B%29%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2850%29%2F70 ALIGN=MIDDLE  ALT=\"sin%2850%29%2F70\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2865%29%2Fb ALIGN=MIDDLE  ALT=\"sin%2865%29%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.766%2F70 ALIGN=MIDDLE  ALT=\".766%2F70\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.9063%2Fb ALIGN=MIDDLE  ALT=\".9063%2Fb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( ".766b = 70 * .9063<BR>\n" );
document.write( ".766b = 63.44<BR>\n" );
document.write( "b = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63.44%2F.766 ALIGN=MIDDLE  ALT=\"63.44%2F.766\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b = 82.8 ~ 83 inches, the length of the two sides, the ends will be 70 inches apart </SPAN>\n" );
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