Question

y=e^sinxcos(sinx)，则y′(0)等于(    )

A.0               B. 1                     C.－1                   D. 2

Answer 1

B

解析:

y′=e^sinx［cosxcos(sinx)－cosxsin(sinx)］,y′(0)=e⁰(1－0)=1