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Discovering Cosine Law
Author:
Erika Scheerer
,
Ryan Smith
Topic:
Cosine
A simple triangle manipulation. The values of c^2; a^2 + b^2; and 2ab(cosC) are displayed.
GeoGebra
Drag the verticies of the triangle. Consider how are the shown values connected.
New Resources
Poorly Drawn Parallelograms 3
Icosahedron1
Icosahedron
Dodecahedron
Blancmange curve (fractal)
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Bearings
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Фиг 23
CECEWEKSTEIN_SAS
Applet. Finding Geometric Medians and Geometric Centers on a circle from discrete sample points.
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Derivative
Calculus
Isosceles Triangles
Poisson Distribution
Tree Diagrams