document.write( "Question 350598: 6 root -1 \n" ); document.write( "
Algebra.Com's Answer #250592 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! z = 1cis(180 + 2n*pi) pi= 0,1,2,3... \n" ); document.write( "6th roots = 1cis(30 + npi/3) \n" ); document.write( "= cis(30), cis(90), cis(150), cis(210), cis(270), cis(330) \n" ); document.write( "------------------- \n" ); document.write( "cis(30) = cos(30) + isin(30) = sqrt(3)/2 + i/2 \n" ); document.write( "Do the other 5 the same way. \n" ); document.write( " |