Planes, Vectors, and Projected Areas [Korean CSAT 2012]
3:50
A Fractional Equation with a Sneaky Sneaky Trap [Korean CSAT 2012]
13:49
The Floor Function Strikes Back... More Aggressively
13:22
Trump Pretends to Be Christian at National Prayer Breakfast & Guillermo Talks to Super Bowl Players
10:49
Calculating the Area Enclosed by Two Hyperbolas
7:16
Sum from 1 to infinity of 1/(k^2+1)
6:56
How To Find The Equation of a Plane Given Three Points
19:14
¿Puedes resolver una pregunta de la Olimpiada de Física más difícil de Gran Bretaña?
11:08