Which one of the following correctly describes the domain of the function ?

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Which one of the following correctly describes the domain of the function

y=\tan x

? (a)

x\neq n\pi,\;n\in\mathbb{Z}

(b)

x\neq n\dfrac{\pi}{2},\;n\in\mathbb{Z}

(c)

x\neq(2n+1)\dfrac{\pi}{2},\;n\in\mathbb{Z}

(d)

x\neq2n\pi,\;n\in\mathbb{Z}