document.write( "Question 1170388: Which of the following is a solution to sin(2x)-cosx=0?\r
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Algebra.Com's Answer #795276 by ikleyn(52803)\"\" \"About 
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document.write( "The given equation is equivalent to\r\n" );
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document.write( "    2sin(x)*cos(x) - cos(x) = 0,   or\r\n" );
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document.write( "    (2sin(x)-1)*cos(x) = 0\r\n" );
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document.write( "    (sin(x) - 1/2)*cos(x) = 0.\r\n" );
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document.write( "The possible solutions are those value of x, that make at least one of the two factors equal to zero\r\n" );
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document.write( "ANSWER.  Option b), ONLY.\r\n" );
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