19.1.1.13 Properties of Metric Spaces

Condition: in space \ (C [0.2] \) Find the distance between the functions: a) \ (x (t) = 2 \ sin \ pi t, \ quad y (t) = 2 \ cos \ pi t \) \ (x (t) (t) = t^{2}, \ quad y (t) = 6 t \)