1) f(x) = x^3 - 2x + 2;
2) f(x) = sin(1 - x);
3) f(x) = x + cos(1 - 4x);
4) f(x) = 2 - 1/cos^2 3x .
[m]F(x)=\frac{x^4}{4}-x^2+2x+C[/m]
2)[m]F(x)=-\frac{1}{(-1)}\cdot cos(1-x)+C[/m]
[m]F(x)=cos(1-x)+C[/m]
3)[m]F(x)=\frac{1}{(-4)}\cdot sin(1-x)+C[/m]
4)[m]F(x)=2x-\frac{1}{3}tg3x+C[/m]
