y=Insin(3x-1),求dx分之dy
问题描述:
y=Insin(3x-1),求dx分之dy
答
y=lnsin(3x-1)
dy/dx=d【lnsin(3x-1)】/d【sin(3x-1)】×d【sin(3x-1)】/d(3x-1)×d(3x-1)/dx
=1/sin(3x-1)×cos(3x-1)×3
=3cot(3x-1)