Determine the range of f(x)=tan(x)f(x) = \tan(x)f(x)=tan(x) on the interval (−π2,π2)(-\frac{\pi}{2}, \frac{\pi}{2})(−2π,2π).
(−∞,∞)(-\infty, \infty)(−∞,∞)
(−1,1)(-1, 1)(−1,1)
[0,∞)[0, \infty)[0,∞)
[−1,1][-1, 1][−1,1]