Chapter 2 Problems solution 22(c) ( h() 2 one period of sin ru 米 0 123t 0 2 t 0 t<1 (1+cos t) l≤t≤3 y(t)= 1+ cos t)3≤t≤5 0 t>5 55 Chapter 2 Problems Solution 0 1 2 2 3 x(t) t sin t h(t) 0 1 2 1 t 2.22(c)  one period of ( ) ( ) ( ) 0 t 1 2 1 cos 1 t 3 2 - 1 cos 3 t 5 0 t 5 t y t t         +    =   +      