document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=808729>Question 808729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I would like to know the formula to solve a problem like this<BR>\n" );
document.write( "h=40 + 30 cos 18t </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #487163 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=487163\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h=40 + 30 cos 18t<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "If you are solving for \"t\",<BR>\n" );
document.write( "30*cos(18t) = h-40<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "cos(18t) = (h-40)/30<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "18t = cos^-1[(h-40)/30]<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "t = (1/18)*cos^-1[(h-40)/30]<BR>\n" );
document.write( "=================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );