document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937769>Question 937769</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sailboat is headed east at 18 mph relative to the water.  A current is moving the water south at 3 mph.<BR>\n" );
document.write( "What is the angle of the path of the sailboat?<BR>\n" );
document.write( "What is the sailboat’s speed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #571198 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=571198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> set up a right triangle:<BR>\n" );
document.write( "a = 3<BR>\n" );
document.write( "b = 18<BR>\n" );
document.write( "h = sqrt( aa + bb )<BR>\n" );
document.write( "h = sqrt( 3*3 + 18*18 )<BR>\n" );
document.write( "h = 18.248287591<BR>\n" );
document.write( "---<BR>\n" );
document.write( "use law of sines:<BR>\n" );
document.write( "sinA/a = sinH/h<BR>\n" );
document.write( "sinA/3 = sin(90)/18.248287591<BR>\n" );
document.write( "sinA = 3*sin(90)/18.248287591<BR>\n" );
document.write( "A = asin( 3*sin(90)/18.248287591 )<BR>\n" );
document.write( "A = 8.45149853213<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "angle of the path of the sailboat = 8.45 degrees south of east<BR>\n" );
document.write( "the sailboat’s speed = 18.25 mph<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );