document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919577>Question 919577</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to solve cot (3x) = 0 \r<BR>\n" );
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document.write( "for intercal [0,2pi) </SPAN>\n" );
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document.write( "for interval [0,2pi)<BR>\n" );
document.write( "cot(3x)=0<BR>\n" );
document.write( "3x=&#960;/2, 3&#960;/2<BR>\n" );
document.write( "x=&#960;/6, 3&#960;/6 </SPAN>\n" );
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