A nice integral.
13:35
A limit of a trigonometric integral.
18:08
a super nice functional equation
12:59
A nice integral.
19:24
So many Calculus tricks in one integral.
19:26
An interesting approach to the Basel problem!
1:29:21
Música clássica energética para limpar e fazer o trabalho doméstico
4:04:37
Elliptic Functions and Elliptic Integrals
19:26