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

Question

Quizplus · Accepted Answer

The tangent function has a period of $\pi$, so $\tan(\theta + \pi) = \tan \theta$ and $\tan(\theta + 2\pi) = \tan \theta$. Therefore, $\tan \theta + \tan(\theta + \pi) + \tan(\theta + 2\pi) = 3\tan \theta = 3(-0.4) = -1.2$.

Solve the Problem tan⁡θ=−0.4\tan \theta = - 0.4tanθ=−0.4 , Find the Value Of

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