求:y=[sin²x·sin(x²)]导数
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求:y=[sin²x·sin(x²)]导数
求:y=[sin²x·sin(x²)]导数
求:y=[sin²x·sin(x²)]导数
y = sin²x * sin(x²)
dy/dx = sin(x²) * 2sinxcosx + sin²x * cos(x²) * 2x
= 2xsin²xcos(x²) + sin(x²)sin(2x)
y'=2sinxcosxsin(x²)+2xsin²xcos(x²)