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Proof without Words: The substitution to make a rational function of the sine and cosine

 

作者: NelsenRoger B.,  

 

期刊: Mathematics Magazine  (Taylor Available online 1989)
卷期: Volume 62, issue 4  

页码: 267-267

 

ISSN:0025-570X

 

年代: 1989

 

DOI:10.1080/0025570X.1989.11977451

 

出版商: Taylor&Francis

 

数据来源: Taylor

 

 

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