{"title":"一个需要讨论的问题:余弦定理的几何表示","authors":"C. Bernardi","doi":"10.1400/232399","DOIUrl":null,"url":null,"abstract":"We present, discuss and generalize an elegant geometrical proof of the law of cosines, due to Al Cuoco.","PeriodicalId":429168,"journal":{"name":"arXiv: History and Overview","volume":"14 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Un problema da discutere: una rappresentazione geometrica del teorema del coseno\",\"authors\":\"C. Bernardi\",\"doi\":\"10.1400/232399\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We present, discuss and generalize an elegant geometrical proof of the law of cosines, due to Al Cuoco.\",\"PeriodicalId\":429168,\"journal\":{\"name\":\"arXiv: History and Overview\",\"volume\":\"14 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-02-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"arXiv: History and Overview\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1400/232399\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"arXiv: History and Overview","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1400/232399","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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