Exact Trig Values for Multiples of 18 Degrees Geometrically (visual proof)
0:52
Spiral of Theodorus
4:15
Trig Visualized: One Diagram to Rule them All (six trig functions in one diagram)
6:46
Beautiful Geometry behind Geometric Series (8 dissection visual proofs without words) #math #series
13:57
Pythagoras Would Be Proud: High School Students' New Proof of the Pythagorean Theorem [TRIGONOMETRY]
11:51
this special triangle gives us sin(18º)
3:44
Trig Double Angle Formulas from Semicircle (visual proof)
5:50
Picture me Differentiating (visual calculus)
9:46