document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969479>Question 969479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using inverse trigonometric functions, find a solution to the equation cos(x) = 0.9 in the interval 0<x<pi. Then, use a graph to find all other solutions to this equation in this interval. Enter your answers as a comma separated list. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592356 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos(x) = 0.9<BR>\n" );
document.write( "x = acos(0.9) =~ 25.84 degs<BR>\n" );
document.write( "x =~ 0.451 radians </SPAN>\n" );
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