document.write( "Question 1113421: How do you solve Cos(3θ)= -1 for the exact solutions over the interval [0,360]? \n" ); document.write( "
Algebra.Com's Answer #728449 by Alan3354(69443)\"\" \"About 
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How do you solve Cos(3t)= -1 for the exact solutions over the interval [0,360]?
\n" ); document.write( "cos(180, 540, 900) = -1
\n" ); document.write( "t = 60, 180, 300 degrees
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