SOLUTION: Solve for the general solution for x: 4 cos^2 x-1=0

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Question 731866: Solve for the general solution for x: 4 cos^2 x-1=0
Found 2 solutions by lwsshak3, stanbon:
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for the general solution for x:
4 cos^2 x-1=0
cos^2 x=1/4
cosx=1/2
x=π/3

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for the general solution for x: 4 cos^2 x-1=0
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4cos^2(x) = 1
cos^2(x) = 1/4
cos(x) = 1/2
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x = pi/3 or -pi/3
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Cheers,
Stan H.
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