On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = -1(1((1(3sin(2πx - 3) - 3) + 3)/(1(3sin(2πx - 3) - 3)))^2 + 3((1(3sin(2πx - 3) - 3) + 3)/(1(3sin(2πx - 3) - 3))) - 1) - 1 positive?

Present the answer in LaTex format: \boxed{Your answer}
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