1 f (x)=sin x -cos x 2 f (x)=tg x-4 ctg x 3 f (x)=4x-sinx 4 f

1) f' (x)=(cosx (cosx-1) '=-sinx (cosx-1)+cosx (-sin) 2) f' (x)=(sinx (ctgx-1) '=cosx (ctgx-1)+cosx (-1/sin2x) sinus v kvadrate3) f' (x)=tg x (cosx+2)=1/cos2x (cosx+2)+tgx (-sinx) 4) f (x)=(4x — 1) sinx=4sinx+(4x-1) cosx