The subtraction formula for the cosine

This figure proves and demonstrates the subtraction formula for the cosine [math]\cos(u-v)=\cos u \cos v - \sin u \sin v[/math]

 

s-tefan

 
Resource Type
Activity
Tags
cosine  subtraction  trigonometry 
Target Group (Age)
15 – 19+
Language
English
 
 
GeoGebra version
4.4
Views
918
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