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demetrius
Author:
Demetrius Jerome Adkins
GeoGebra
New Resources
Right Triangle Trig Ratios: sin, cos, tan
Two Triangle Theorem
Proving Triangles Similar by Dilation
Thales' Intercept Theorem
Folding door
Discover Resources
Angle at centre is twice angle at circumference
Gradient as Tangent of the angle
Phantom cubic graph
graphOfCosine
Discover Topics
Planes
Quadratic Equations
Differential Calculus
Hyperbola
Straight Lines