document.write( "Question 1044750: Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)
\n" ); document.write( "18 + 9 cos(2x) = 27 cos(x)
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Algebra.Com's Answer #660161 by advanced_Learner(501)\"\" \"About 
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