The table provides various values, including all zeros, of a tangent function f (x) on the interval [–π, π].


Angle –π negative 3 times pi over 4 negative 2 times pi over 3 negative pi over 2 0 pi over 4 pi over 2 2 times pi over 3 π
f (x) 0 Und. negative 4 times radical 3 0 0 Und. 0 4 times radical 3 0
What is the period of the function?
4π
2π
π
pi over 2