1:30
intuitive proofs of pythagorean theorem
exşref
Shared 3 weeks ago
7 views
0:44
cosine theorem (proof)
19 views
1:12
intuitive explanation why derivative of sin equals cos
Shared 1 month ago
45 views
0:36
i^i^i^i in 36 seconds
Shared 2 months ago
32 views
1:26
intuitive explanation why derivative of the e^x equals to itself
167 views