SOLUTION: Find all values of x in the interval [0, 2π] that satisfy the inequality. 16 cos(x) + 8 > 0

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Question 562195: Find all values of x in the interval [0, 2π] that satisfy the inequality.
16 cos(x) + 8 > 0
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find all values of x in the interval [0, 2π] that satisfy the inequality.
16 cos(x) + 8 > 0
16 cos(x) > -8
cos(x) >-8/16
cos(x) >-1/2
2π/3 < x ≤ π/2 (in quadrant II where cos<0)