document.write( "Question 830983: Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)
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document.write( "7 sin(2x) = 7 cos(x)
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Algebra.Com's Answer #501083 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 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( "7 sin(2x) = 7 cos(x) \n" ); document.write( "--------- \n" ); document.write( "sin(2x) = cos(x) \n" ); document.write( "2sin(x)cos(x) - cos(x) = 0 \n" ); document.write( "cos(x)[2sin(x)-1] = 0 \n" ); document.write( "cos(x) = 0 or sin(x) = 1/2 \n" ); document.write( "-------- \n" ); document.write( "x = pi/2 or (3/2)pi or x = pi/6 of (5/6)pi \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " |