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Solve the equation for exact solutions over the interval [0, 21). -2 cos²x = 3 cOS X+1 Select the correct choice below and, i
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Answer #1

- СОФg - 2 Coи аз соли +1 2 03*+ 7 соз и +1 = 0 2Co8+и+ 2 oxu+to+ 1 =0 2.Сохи соли +1) + (1 сол и+1) =0 (2tos и+JI Co8 и+) =

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