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Ptolemy and epicycles
Author:
Malin Christersson
Topic:
Trigonometry
Drag the red cross!
GeoGebra
New Resources
seo tool
Discriminant of y = ax² + bx + c
Graphs of Rational Expressions
Transforming Random Variables
Sine and Cosine on the Unit Circle
Discover Resources
Construction Proof 1
One-dimensional vanishing point
build a quadratic using a rectangle
Problem
Discover Topics
Diagrams
Trigonometric Functions
Vectors 3D (Three-Dimensional)
Arithmetic Operations
Secant Line or Secant