y=sec^2x+csc^2x求导是应该计算y'=sec^2xtan^2x·x'+(-cscx)^2·cotx^2·x'吗?
问题描述:
y=sec^2x+csc^2x求导
是应该计算y'=sec^2xtan^2x·x'+(-cscx)^2·cotx^2·x'吗?
答
y=sec^2x+csc^2x求导
是应该计算y'=sec^2xtan^2x·x'+(-cscx)^2·cotx^2·x'吗?