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Orthoptic (i.e. directrix) of a parabola - using LocusEquation
Author:
Thierry Dana-Picard
Topic:
Parabola
GeoGebra
Joint work with Zoltan Kovacs
New Resources
Rings of circles
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Shade a spheric triangle with "surface".
Periodic Functions
bearing HK
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Dilations with Quadrilaterals
DTB_DinhLi_1
SE Multiplying Fractions (MS/SE)
مكعب
Understand how to plot trigonometric functions
Discover Topics
Trapezoid
Sequences and Series
Confidence Interval
Exponential Functions
Linear Equations