9000033802

Level: 
Project ID: 
9000033802
Accepted: 
1
Clonable: 
0
Easy: 
1
Which of the numbers in the list is a period (not necessarily the smallest period) of the function \(n\colon y =\mathop{\mathrm{tg}}\nolimits x\)?
\(3\pi \)
\(\frac{\pi }{2}\)
\(- \frac{\pi } {2}\)
\(\frac{3\pi } {2}\)