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Cosine Rule
Author:
sass math dept
,
slik
A demonstration of the Cosine rule. Drag the red points.
GeoGebra
The proof for angle A being acute is given. Determine the proof of the Cosine Rule when angle A is obtuse.
New Resources
Ellipse and Equation
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Weighing Scales (kg & g): Practice
Measuring Cup
z`]]
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