document.write( "Question 1108591: Find all solutions of the equation in the interval [0,2π)\r
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document.write( "3 cot^2 x-9 = 0 \n" );
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Algebra.Com's Answer #723577 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find all solutions of the equation in the interval [0,2π)\r \n" ); document.write( "\n" ); document.write( "3 cot^2 x-9 = 0 \n" ); document.write( "cot^2(x) = 3 \n" ); document.write( "tan^2(x) = 1/3 \n" ); document.write( "tan(x) = +sqrt(3)/3 \n" ); document.write( "x = pi/6, 7pi/6 \n" ); document.write( "----- \n" ); document.write( "tan(x) = -sqrt(3)/3 \n" ); document.write( "x = 5pi/6, 11pi/6 \n" ); document.write( " |