Question

найдите производную 1) sin x-3cos x
2)cos (4x-п/3)

Answer 1

1)(sinx-3cosx)`=sin`x-(3cosx)`=cosx+3sinx
2)(cos(4x-п/3))`=-sin(4x-п/3)*(4x-п/3)`=-4sin(4x-п/3)