Solución

0,2sent(t1t)2cost(1+1t2),2sent(1+1t2)+2cost(t2t)\bigg\lang 0,2sent\bigg(t−\frac{1}{t}\bigg)−2cost\bigg(1+\frac{1}{t^2}\bigg), 2sent\bigg(1+\frac{1}{t^2}\bigg)+2cost\bigg(t−\frac{2}{t}\bigg)\bigg\rang