document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=835643>Question 835643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Cos(theta)*sin(2theta) = 0<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 #503649 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=503649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cos(theta)*sin(2theta) = 0\r<BR>\n" );
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document.write( "cos(theta)*2*sin(theta)*cos(theta) = 0\r<BR>\n" );
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document.write( "2*cos(theta)*cos(theta)*sin(theta) = 0\r<BR>\n" );
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document.write( "2*cos^2(theta)*sin(theta) = 0\r<BR>\n" );
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document.write( "cos^2(theta) = 0 or sin(theta) = 0\r<BR>\n" );
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document.write( "cos(theta) = sqrt(0) or sin(theta) = 0\r<BR>\n" );
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document.write( "cos(theta) = 0 or sin(theta) = 0\r<BR>\n" );
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document.write( "theta = arccos(0) or theta = arcsin(0)\r<BR>\n" );
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document.write( "theta = pi/2 or 3pi/2 or theta = 0 or pi\r<BR>\n" );
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document.write( "If we're in the interval [0, 2pi), then the final answers are: theta = 0, theta = pi, theta = pi/2, theta = 3pi/2 </SPAN>\n" );
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