SOLUTION: Solve Each equation for the exact solution in the interval 0 to 2pi 4cos(x)-1=0

SOLUTION: Solve Each equation for the exact solution in the interval 0 to 2pi 4cos(x)-1=0

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Question 853734: Solve Each equation for the exact solution in the interval 0 to 2pi
4cos(x)-1=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4cos(x)-1=0
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cos(x) = 1/4
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x = arccos(1/4) = 1.32 radians or x = 2pi-1.32 = 4.97 radians
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Cheers,
Stan H.
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