余弦定理 The Law of Cosines

using pythagorean theorem and sines , cosines , represent b^2 , a^2. b^2 subtract a^2 is …..

 

HIRAIWA Koichi

 
Resource Type
Activity
Tags
web 
Target Group (Age)
0 – 19+
Language
Japanese / 日本語‎
 
 
 
© 2025 International GeoGebra Institute