1) sin(2*x+1) + 3*cos(2*x+4) + sin(-x)/cos(-x)2) u0*(1+Exp(1)-0.5*t)3) sqrt(1+(Pi / 2)*sin(97/360*Pi)/cos(97/360*Pi))
(1) sin(2*x+1) + 3*cos(2*x+4) + sin(-x)/cos(-x)(2) u0*(1+Exp(1)-0.5*t)(3) sqrt(1+(Pi / 2)*sin(97/360*Pi)/cos(97/360*Pi))
a