Integration Identity problem
12604
Evaluate $\int_0^\pi xf(\sin x)dx$
77975
How to force correct answers for Integrals of Cos[mx]*Cos[nx]?
130220
Why should the substitution be injective when integrating by substitution?
39697
Integration of $e^{ax}\cos bx$ and $e^{ax}\sin bx$
68861
How does one integrate Landau symbols?
30030
An integration question to be solved without using differentiation under the integral sign.
154067
Not sure how to go about solving this integral
98757
Solving an integral with substitution method
57167
A hard problem on exponential integration
142854
Convergence of Integrals - A Problem
119700
Integrating real valued functions
133337
A little integration paradox
101521
Both sides differentiation expression with integral
34368
Problem when integrating $e^x / x$.
95746
Why aren't these additions of integrals and summations equal?
140860
Variable substitution when integrating with Mathematica
81225
A problem about parametric integral