MathDB
Today's calculation of Integral 401

Source: 2009 A3 Tokyo Univ. Master

January 22, 2009
calculusintegrationtrigonometrysymmetrylimitcalculus computations

Problem Statement

For real number a a with a>1 |a|>1, evaluate \int_0^{2\pi} \frac{d\theta}{(a\plus{}\cos \theta)^2}.