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GoGeometry Action 38!
Author:
Tim Brzezinski
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
.
How can you formally prove what this applet informally illustrates?
GeoGebra
Quick (Silent) Demo
New Resources
Spinning cube - Belt Trick
Sphere on a Grid
Slope Field (1)
Ellipse as Envelope - Correspondence Method
"Compressed" Astroid as Envelope
Discover Resources
Investigation of Sines and Side Lengths
segment circular
GuillocheMachine#3
All six trig functions in one picture v2
Φ+ℯ+τ
Discover Topics
Quadratic Functions
Calculus
Circumcircle or Circumscribed Circle
Hyperbola
Normal Distribution