document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=787428>Question 787428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how would i prove that when 17pi over 18 and 13pi over 18 make 1-2sin3x=0? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478272 by </B><A HREF=/tutors/aboutme.mpl?userid=harpazo><B>harpazo(655)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=harpazo><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=harpazo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=478272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Replace x in the trig equation given with <BR>\n" );
document.write( "17pi/18 and simplify. \r<BR>\n" );
document.write( "\n" );
document.write( "Do the same by letting x be 13pi/18.\r<BR>\n" );
document.write( "\n" );
document.write( "The left side should result to zero after doing the math. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );