Which statement is true? A.
The function f(x)=tan(x) is an even function because its graph is symmetric about the origin.
B.
The function f(x)=tan(x) is an odd function because f(-x)=-f(x).
C.
The function f(x)=tan(x) is an odd function because its graph is symmetric about the y-axis.
D.
The function f(x)=tan(x) is an even function because f(-x)=-f(x).