document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044255>Question 1044255</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me to solve this equation : 3 ( SEC THETA - TAN THETA)= 2 COS THETA<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 #659533 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=659533\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> please help me to solve this equation : 3 ( SEC THETA - TAN THETA)= 2 COS THETA<BR>\n" );
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document.write( "3(sec - tan) = 2cos<BR>\n" );
document.write( "Multiply thru by cos<BR>\n" );
document.write( "3(1 - sin) = 2cos^2 = 2(1 - sin^2)<BR>\n" );
document.write( "2sin^2 - 3sin + 1 = 0<BR>\n" );
document.write( "(2sin - 1)*(sin - 1) = 0<BR>\n" );
document.write( "sine = 1<BR>\n" );
document.write( "sine = 1/2<BR>\n" );
document.write( "etc<BR>\n" );
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document.write( "sine = 1 is rejected --> sec and tan undefined. </SPAN>\n" );
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