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)
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设函数f(x)可导,则[sinf(x)]''=(A)sinf''(x)(B)cosf''(x)(C)f''(x)cosf(x)(D)f(x)cosf''(x)设函数f(x)可导,则[sinf(x)]''=(A)s
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)
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)
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