document.write( "Question 876893: Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0 \n" ); document.write( "
Algebra.Com's Answer #529067 by lwsshak3(11628)\"\" \"About 
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Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0\r
\n" ); document.write( "\n" ); document.write( "2sin2x+1=0
\n" ); document.write( "sin2x=-1/2
\n" ); document.write( "2x=210˚, 330˚ (in quadrants III and IV in which sin<0)
\n" ); document.write( "x=105˚, 165˚
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