已知y=cos^4(2x+π/3),求dy/dx

已知y=cos^4(2x+π/3),求dy/dx 已知ysinx-cos(x+y)=0,求在点(0,π)的dy/dx值 已知ysinx-cos(x+y)=0,求在点(0,π/2)的dy/dx值 已知y=sinx^2求dy/dx^3 dy/dx^4要详细过程 ysinx+cos(x-y)=0,求dy/dx|(x=π/2) cos(x+y)+y=1 求dy/dx y= (cos x)^x,求dy/dx 对于x=cos(y/x),求dy/dx. 已知y=x^cosx/2,求dy/dx, ysinx-cos(x+y)=0,求 dy/dx (4y^3-x)dy/dx=y 求通解 设y=cos(2x^2+x+1) 求dy/dx. 过程