必修一P215两角差的余弦

两角差的余弦

 

jjx01

 
Resource Type
Activity
Tags
class  jjx01  trigonometric-functions  trigonometry  三角函数  两角差的余弦  函数 
Target Group (Age)
0 – 19+
Language
Chinese Simplified / 简体中文‎
 
 
 
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