SOLUTION: Find all solutions of each equation in the interval [0,2π) 2sin^(2)x-cos(x) =1

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Question 1155028: Find all solutions of each equation in the interval [0,2π)
2sin^(2)x-cos(x) =1

Answer by Edwin McCravy(20062)   (Show Source): You can put this solution on YOUR website!










Multiply through by -1



Factor the left side:



Use the zero factor principle:



Edwin

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