Proof without words: Cosine Rule (餘弦公式)

Source: Nelsen, R. B. (1993). Proofs without Words - Exercises in Visual Thinking. The Mathematical Association of America.

 

Alex CHIK

 
Material Type
Activity
Tags
cosine 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
 
© 2018 International GeoGebra Institute