求y=sin^3(4x+3)的导数、求y=sinx^2-sin3x的导数大神们帮帮忙

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求y=sin^3(4x+3)的导数、求y=sinx^2-sin3x的导数大神们帮帮忙

求y=sin^3(4x+3)的导数、求y=sinx^2-sin3x的导数大神们帮帮忙
求y=sin^3(4x+3)的导数、求y=sinx^2-sin3x的导数大神们帮帮忙

求y=sin^3(4x+3)的导数、求y=sinx^2-sin3x的导数大神们帮帮忙
y=[sin(4x+3)]^3 y'=3[sin(4x+3)]^2*[sin(4x+3)]' =3[sin(4x+3)]^2*[cos(4x+3)]*(4x+3)' =12[sin(4x+3)]^2*[cos(4x+3)] y=sin(x^2)-sin(3x) y'=cos(x^2)*(x^2)'-cos(3x)*(3x)' =2xcos(x^2)-3cos(3x)