On how many maximal connected intervals within [-10, 10] is the derivative of f(x) = (-1(4(2cos(1π(-1x + 5) + 2) - 3)^2 + 1(2cos(1π(-1x + 5) + 2) - 3) - 4) - 2)/(2(4(2cos(1π(-1x + 5) + 2) - 3)^2 + 1(2cos(1π(-1x + 5) + 2) - 3) - 4) + 2) positive?

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