document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1058408>Question 1058408</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I would appreciate it if someone could help with the following question:\r<BR>\n" );
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document.write( "Solve the equation for  0 degrees<=x<=360 degrees. Express your answer as an exact value. \r<BR>\n" );
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document.write( "2tanx(cosx) - 1 = 0\r<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 #673526 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=673526\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the equation for 0 degrees<=x<=360 degrees. Express your answer as an exact value. <BR>\n" );
document.write( "2tanx(cosx) - 1 = 0 <BR>\n" );
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document.write( "tanx(cosx) = 1/2<BR>\n" );
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document.write( "Take the arctan of both sides to get:<BR>\n" );
document.write( "cos(x) = 26.57 degrees or cos(x) = 180+26.57 degrees = 206.57 degrees<BR>\n" );
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document.write( "Comment: The cos (which is a ratio) cannot equal some number of degrees.<BR>\n" );
document.write( "That does not make any sense.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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