At which values in the interval [0, 2m) will the functions f (x) = 2cos20 and g(x) = −1 – 4cos 0 - 2cos20 intersect? ㅇ 0 0 = ㅠ 4개 3' 3 ㅠ 5개 33 2 4π 3 3 2 5 33

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