David T – Resources – GeoGebra

Equation of a Circle through 3 Points
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Simultaneous Equations:Substitution
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Simultaneous Equations:Elimination
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School Mathematics
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Standard Deviation Formulae
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Trig Graph Transformation 1 (radians)
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Trig Graph Transformation 4 (radians)
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Wave Function
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Pyth Thm: 3D cuboid
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Pyth Thm: Coordinates
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Distance Formula
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Equation of Tangent to a Circle
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Area between Curves
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Line and Circle 1
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Line and Circle 2
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Equation of a Circle (2)
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Straight Line - equation
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Completing the Square
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Area Between Parabolas/Lines
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Locus Intro
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Trigonometry-Area Formula
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Cosine Rule - find an angle
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Cosine Rule - find a side
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Sine Rule - find an angle
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