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A.S.T.C
Author:
Ang Wee Kiat
Here you can explore how the sign of the trigonometrical ratios change when the angles are in different quadrants. Remember the acronym "ASTC - All School Teachers Care! :)"
GeoGebra
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Droste effect
Flip Flop
Lorenz Attractor: Multiple particles
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Droste effect draft
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Expected Value
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Parallelogram
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