saresaurlease saresaurlease

26-11-2016
Mathematics

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Find the intervals on which f is increasing and decreasing.
f(x)=cos^2(x) on [-pi, pi]

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nobillionaireNobley nobillionaireNobley

30-11-2016

The intervals on which f is increasing is (-pi/2, 0) and (pi/2, pi)
The intervals on which f is decreasing is (-pi, -pi/2) and (0, pi/2)

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