document.write( "Question 342764: Solve for x:\r
\n" ); document.write( "\n" ); document.write( "3sin^2 x = cos^2 x ; 0 < = x < 2x
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Algebra.Com's Answer #245315 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
3sin^2 x = cos^2 x ; 0 < = x < 2x (I think you mean < 2pi)
\n" ); document.write( "3sin^2(x) = 1 - sin^2(x)
\n" ); document.write( "4sin^2 = 1
\n" ); document.write( "sin^2 = 1/4
\n" ); document.write( "sin(x) = ± 1/2
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\n" ); document.write( "x = 30, 150, 210, 330 or
\n" ); document.write( "x = pi/6, 5pi/6, 7pi/6, 11pi/6 radians
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