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28-10-2016
Mathematics

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Find the intervals in which the function f given by
f(x)=sinx + cosx ,o_x_2pi is strictly increasing or strictly decreasing

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nobillionaireNobley nobillionaireNobley

04-11-2016

The function f(x) = sinx + cosx is strictly increasing on the interval [0, π/4) ∪ (5π/4, 2π] and is strictly decreasing on the interval (π/4, 5π/4).

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