Solve the Problem $\tan \theta = - 0.4$ , Find the Value Of

Multiple Choice

Solve the problem.
-If $\tan \theta = - 0.4$ , find the value of $\tan \theta + \tan ( \theta + \pi ) + \tan ( \theta + 2 \pi )$ .

A) $- 1.2$
B) $0.8$
C) $- 1.2 + 3 \pi$
D) undefined