document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=42532>Question 42532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the solution of sin 2 &#952; = cos &#952; if 0° < or = 180°.  \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 #27696 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=27696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let q be the theta because I can't write theta...so<BR>\n" );
document.write( "sin 2q = cos q<BR>\n" );
document.write( "2 sin q cos q = cos q<BR>\n" );
document.write( "2 sin q = 1<BR>\n" );
document.write( "sin q = 1/2<BR>\n" );
document.write( "q = 30 or 150 degrees = (pi)/6 or 5(pi)/6 radians<BR>\n" );
document.write( "Both solutions check too. </SPAN>\n" );
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