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893

Part of 2013 Today's Calculation Of Integral

Problems(1)

Today's calculation of Integral 893

Source: 2013 Ochanomizu University entrance exam/Science

10/5/2013
Find the minimum value of f(x)=∫0π4∣tan⁡t−x∣dt.f(x)=\int_0^{\frac{\pi}{4}} |\tan t-x|dt.
calculusintegrationtrigonometryfunctionlogarithmsderivativecalculus computations