Use Identities to Write the Expression as a Single Function $$\theta$$

Multiple Choice

Use identities to write the expression as a single function of x or $$\theta$$
- $\tan ( x + \pi )$

A) $- \tan x$

B) $\frac { \tan x - \sqrt { 3 } } { 1 + \sqrt { 3 } \tan x }$

C) $\frac { 1 + \sqrt { 3 } \tan x } { \sqrt { 3 } - \tan x }$

D) $\tan x$