2:04
Viviani's Theorem (visual proof via rotation)
9:50
Why do we "complete the square"?
4:15
Trig Visualized: One Diagram to Rule them All (six trig functions in one diagram)
3:34
Beautiful Visual Explanation of Completing the Square
7:57
Completing the square (step by step instruction & visual illustration)
13:33
Ancient trick to calculate ANY square root
14:03
Animation vs. Math
2:00:36