document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=458431>Question 458431</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve 2sin3x-1=0 <BR>\n" );
document.write( "when  -180 <= x <= 180<BR>\n" );
document.write( "show all work <BR>\n" );
document.write( ">>>>............. <BR>\n" );
document.write( "If cos x = -0.5 find x when \r<BR>\n" );
document.write( "\n" );
document.write( "when -180 <= x <= 180<BR>\n" );
document.write( "show all work <BR>\n" );
document.write( ">>>> ........... <BR>\n" );
document.write( "I asked for this before but I did not get it >> solve this : 2sin3x=1 when<BR>\n" );
document.write( "0 < or equal to x < or equal to 90''. <BR>\n" );
document.write( "I need the explanation please<BR>\n" );
document.write( "and thank you so much <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314504 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=314504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve 2sin3x-1=0 <BR>\n" );
document.write( "when -180 <= x <= 180<BR>\n" );
document.write( "show all work<BR>\n" );
document.write( "---<BR>\n" );
document.write( "sin(3x) = 1/2<BR>\n" );
document.write( "The reference angle is pi/6 and sin is positive in Q1 and QII<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "3x = pi/6 or 3x = (5/6)pi<BR>\n" );
document.write( "x = pi/18 or x = (5/18)pi<BR>\n" );
document.write( " <BR>\n" );
document.write( ">>>>............. <BR>\n" );
document.write( "If cos x = -0.5 find x when <BR>\n" );
document.write( "when -180 <= x <= 180<BR>\n" );
document.write( "show all work<BR>\n" );
document.write( "---<BR>\n" );
document.write( "The reference angle is pi/3 and cos is negative in QII and QIII<BR>\n" );
document.write( "x = (2/3)pi or x = (4/3)pi<BR>\n" );
document.write( " <BR>\n" );
document.write( ">>>> ........... <BR>\n" );
document.write( "I asked for this before but I did not get it >> solve this : <BR>\n" );
document.write( "2sin3x=1 when<BR>\n" );
document.write( "0 <= to x <= 90 degrees<BR>\n" );
document.write( "---<BR>\n" );
document.write( "sin(3x) = 1/2<BR>\n" );
document.write( "reference angle is 30 degrees and sin is positive in QI and QII<BR>\n" );
document.write( "3x = 30 degrees<BR>\n" );
document.write( "x = 10 degrees<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );