y=sin(3x^2+1)求导

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y=sin(3x^2+1)求导
y=sin(3x^2+1)求导

y=sin(3x^2+1)求导
y'=cos(3x^2+1) ×(3x^2+1)'
=cos(3x^2+1) ×6x
=6xcos(3x^2+1)

y'=cos(3x^2+1)6x