Using the fact that the arc length of a space curve r(t) = for a , Osts x/ 2

Using the fact that the arc length of a space curve F(t) = < x(t), y(t) > fora t b is given by (x' + (y' find the length of the space curve given by F(t) (cos t)3, (sin >, 0 t 7t/2.