SOLUTION: Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0

SOLUTION: Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0

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Question 876893: Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all values of x in [0degrees, 360 degrees) that satisfy the equation 2 sin(2x) +1=0
2sin2x+1=0
sin2x=-1/2
2x=210˚, 330˚ (in quadrants III and IV in which sin<0)
x=105˚, 165˚
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