摘要: 直角三角形中某个锐角的斜边与邻边的比,叫做该锐角的正割,记作 sec(角)。 正割与余弦互为倒数, 余割函数与正弦互为倒数 ; 直角三角形某个锐角的斜边与对边的比,叫做该锐角的余割,用 csc(角)表示 。 cot:余切三角函数符号,cotangent的缩写 以前写为ctg, 高数!大一必备反三角函 阅读全文
posted @ 2021-11-16 20:32 ChuckLu 阅读(1264) 评论(0) 推荐(0) 编辑
摘要: What is the difference between Html.Hidden and Html.HiddenFor 回答1 Most of the MVC helper methods have a XXXFor variant. They are intended to be used i 阅读全文
posted @ 2021-11-16 14:57 ChuckLu 阅读(44) 评论(0) 推荐(0) 编辑
摘要: What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel 回答1 Html.Label gives you a label for an input whose name matches the sp 阅读全文
posted @ 2021-11-16 14:54 ChuckLu 阅读(35) 评论(0) 推荐(0) 编辑
摘要: Rebasing commits takes places from the bottom of the list to the top (in ascending order of the ID column). For example, squash means that the commit 阅读全文
posted @ 2021-11-16 09:35 ChuckLu 阅读(244) 评论(0) 推荐(0) 编辑