设函数f(x)可导,则 [sin f(x)]'= (A)sin f'(x) (B)cos f'(x) (C)f'(x)cos f(x) (D)f(x)cos f'(x)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/27 18:42:10
设函数f(x)可导,则 [sin f(x)]'= (A)sin f'(x) (B)cos f'(x) (C)f'(x)cos f(x) (D)f(x)cos f'(x)
x){nϦnHӨ|ڿ=:O;f*Dg)bm45\u _AI39q3"`4$aTO{K ldÀ2 V4V~l_\gu f=H

设函数f(x)可导,则 [sin f(x)]'= (A)sin f'(x) (B)cos f'(x) (C)f'(x)cos f(x) (D)f(x)cos f'(x)
设函数f(x)可导,则 [sin f(x)]'= (A)sin f'(x) (B)cos f'(x) (C)f'(x)cos f(x) (D)f(x)cos f'(x)

设函数f(x)可导,则 [sin f(x)]'= (A)sin f'(x) (B)cos f'(x) (C)f'(x)cos f(x) (D)f(x)cos f'(x)
[sin f(x)]'=cosf(x)*[f(x)]'=f'(x)*cosf(x)
选C

(C)f'(x)cos f(x)