4.6兩角和與差的正弦、餘弦、正切(一)

4.6兩角和與差的正弦、餘弦、正切(一)

 

user9429

 
Resource Type
Activity
Tags
Target Group (Age)
3 – 19+
Language
Chinese Traditional / 繁體中文‎
 
 
GeoGebra version
5.0
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356
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