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Calculating pi with sine of half angles
Author:
Gary Rubinstein
Topic:
Angles
,
Sine
GeoGebra
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Combining Random Variables
Which Quadrilateral is Which?
Riemann Sums
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Tangent Vector (2)
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Equation of a line: y-y1=m(x-x1)
Hyperbolic Geometry - Neal
Naming Figure 1
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Covering Squares
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Triangles
Scatter Plot
Isosceles Triangles
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LCM and GCD