求微分,最好上图,
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 13:23:12
求微分,最好上图,
求微分,最好上图,
求微分,最好上图,
(2) dy = y'dx = [-cosx(1+sinx)-(1-sinx)cosx]dx/(1+sinx)^2
= -2cosxdx/(1+sinx)^2.
(4) dy = y'dx = 2tan(1+x^2)[sec(1+x^2)]^2*2xdx
= 4xtan(1+x^2)[sec(1+x^2)]^2dx.