sympy/sympy — pull request #1296 by tarzzz (2012-05-14 11:43:22+00:00)
Title: More trigonometric integrals

this patch would implement all types of trigonometric integrals involving multiplication of powers of trigonometric functions. working on the lines of sin*cos integral types it will include all random multiplications of powers of different trigonometric functions.
I have also added tests for the new implementation.