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Let f(x) = ((cosx+|cosx|)(sinx - 3/2)^3 ...

Let `f(x) = ((cosx+|cosx|)(sinx - 3/2)^3 (tanx-1)^5)/((cosx-2)^2(tanx-sqrt(3))^3)` Find the interval of `x in (-pi/2, pi/2)` for which (i) f(x) > 0(ii) f(x) < 0

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