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Intro to Trigonometry
Author:
Gareth Daniels
Topic:
Cosine
,
Sine
,
Trigonometry
Move the red point to enlarge, choose an angle in the input box.
GeoGebra
Created by Dr GJ Daniels.
New Resources
Stairs (Optical Illusion)
"Compressed" Astroid as Envelope
Limaçon / Cardioid as a Locus - A Classical Construction
Construct a Square
Linear Cross Section Exercise
Discover Resources
Three Points Determine a Circle
Two Lines Cut by a transversal
Ryburn3
mttath
Circumcenter (& Questions)
Discover Topics
Tangent Line or Tangent
Geometry
Special Points
Solids or 3D Shapes
Pythagoras or Pythagorean Theorem