Let f (x) be an odd function with a period of 3 and f (- 1) = 1, then f (2008) =?

Let f (x) be an odd function with a period of 3 and f (- 1) = 1, then f (2008) =?

f(2008)=f(669*3+1)=f(1)=-f(-1)=-1
First to cycle, and then think of ways to use known conditions, the key or basic knowledge, first solid