document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=850147>Question 850147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I find the solution to this problem using my TI-30xs?\r<BR>\n" );
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document.write( "If cos of theta = 0.4, then find tan of theta. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #511983 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=511983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sec(x) = 1 / cos(x) = 1 / 0.4 = 2.5<BR>\n" );
document.write( "tan^2(x) + 1 = sec^2(x)<BR>\n" );
document.write( "tan^2(x) = sec^2(x) - 1 = 2.5^2 - 1 = 5.25<BR>\n" );
document.write( "tan(x) = sqrt(5.25) = 2.29<BR>\n" );
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