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

 
Resource Type
Activity
Tags
cosine 
Target Group (Age)
15 – 18
Language
English (United Kingdom)
 
 
 
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