Which one of the following real numbers is NOT in the domain of ?

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

Problem

Which one of the following real numbers is NOT in the domain of

\tan x

? (a)

2\pi

(b)

\dfrac{7\pi}{2}

(c)

\pi

(d)

\dfrac{5\pi}{3}