{"title":"不用语言证明:π/8的正切。","authors":"Armengol Gasull","doi":"10.1080/07468342.2023.2238581","DOIUrl":null,"url":null,"abstract":"\"Proof Without Words: Tangent of π/8..\" The College Mathematics Journal, ahead-of-print(ahead-of-print), p. 1","PeriodicalId":38710,"journal":{"name":"College Mathematics Journal","volume":"69 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"<i>Proof Without Words: Tangent of π/8.</i>\",\"authors\":\"Armengol Gasull\",\"doi\":\"10.1080/07468342.2023.2238581\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\\"Proof Without Words: Tangent of π/8..\\\" The College Mathematics Journal, ahead-of-print(ahead-of-print), p. 1\",\"PeriodicalId\":38710,\"journal\":{\"name\":\"College Mathematics Journal\",\"volume\":\"69 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-08-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"College Mathematics Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/07468342.2023.2238581\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Social Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"College Mathematics Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/07468342.2023.2238581","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Social Sciences","Score":null,"Total":0}