摘要: 零:基础知识 常见函数的导数: \[ (\log_a x)' = \frac 1 {x \ln a} \\ (a^x) = a^x \ln a \\ (\tan x)' = \sec^2 x \\ (\cot x)' = -\csc^2 x \\ (\sec x)' = \sec x \tan x 阅读全文
posted @ 2021-01-11 12:15 Zeonfai 阅读(1052) 评论(0) 推荐(0) 编辑