Производная функции f(x)=x⋅cos(x+3)+7f(x)=x⋅cos⁡(x+3)+7 f(x)=x\cdot \cos(x+3)+7 равна: 1) −sin(x+3)−sin⁡(x+3) -\sin(x+3) 2) −x⋅sin(x+3)−x⋅sin⁡(x+3) -x \cdot \sin(x+3) 3) cos(x+3)−xsin(x+3)cos⁡(x+3)−xsin⁡(x+3) \cos(x+3)-x \sin(x+3) 4) sin(x+3)−xcos(x+3)sin⁡(x+3)−xcos⁡(x+3) \sin(x+3)-x \cos(x+3) 5) cos(x+3)−xsin(x+3)+7cos⁡(x+3)−xsin⁡(x+3)+7 \cos(x+3)-x \sin(x+3)+7