SOLUTION: I am looking to solve this equation but I do not know how to put the answer in interval notation. 4cos(x)+2>0 The answer must be in interval notation but if only certain po

Question 831596: I am looking to solve this equation but I do not know how to put the answer in interval notation.
4cos(x)+2>0

The answer must be in interval notation but if only certain points on the unit circle satisfy the equation how does that look as an interval set?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
I am looking to solve this equation but I do not know how to put the answer in interval notation.
4cos(x)+2>0
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cos(x) > -1/2
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Interval notation: (0 ,(5/6)pi]U((7/6)pi,2pi)
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Cheers,
Stan H.
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