y(x)=Ln(cos(x));dy(x)/dx=-tg(x);
INT(2*e^(3*x)=(2/3)*e^(3*x);
5. v(t)=12*t^4-4*t+5; S=INT(y(t))*dt (0;2)=2,4*t^5-2*t^2+5*t (0;2)=2,4*32-2*4+5*2=...
