首页   按字顺浏览 期刊浏览 卷期浏览 On teaching periodicity†
On teaching periodicity†

 

作者: Tommy Dreyfus,   Theodore Eisenberg,  

 

期刊: International Journal of Mathematical Education in Science and Technology  （Taylor Available online 1980）
卷期: Volume 11, issue 4  

页码: 507-509

 

ISSN:0020-739X

 

年代: 1980

 

DOI:10.1080/0020739800110407

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Nonperiodic functions can sometimes be changed into periodic ones by appropriately restricting the original domain of definition of the function. This important aspect in the teaching of periodicity is explicated through the problem of finding all n for which cos n2 = 2cos n sin4n.

 

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