MathDB
Today's calculation of Integral 406

Source: 2009 Rutsumeikan University entrance exam/Science & Technology

February 4, 2009
calculusintegrationlimittrigonometrycalculus computations

Problem Statement

Find \lim_{n\to\infty} \int_0^{\frac{\pi}{2}} x|\cos (2n\plus{}1)x|\ dx.