int[sin^4(x)]
11:13
Limit of absolute value functions [ lim |x^3 - x|/(x^3 - |x|) as x goes to 0 ]
9:43
int(tan(arcsin(x))) dx x=0,1
19:08
A beautiful integral for the mind
14:45
Solving a golden equation
5:56:58
the ultimate integral starter (u sub, IBP, trig sub, partial fractions & more)
21:40
Same perimeter, different areas: Which is the largest? The Isoperimetric Problem
12:17
Strategies for integrating x^n e^(x^m)
10:41