SOLUTION: Solve the equation on interval [0,2pi). Give answer in radicals and type exact answer using pi as needed. 8cos^2x-4=0 I know you have to factor the equation but I got stuck

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Question 868053: Solve the equation on interval [0,2pi). Give answer in radicals and type exact answer using pi as needed.
8cos^2x-4=0

I know you have to factor the equation but I got stuck trying to do that

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!




Two solutions:


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and


and

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