Question
Mathematics Question on Continuity
The function f(x) = cot x is discontiuous on every point of the set
A
\left\\{x=(2n+1)\frac{\pi}{2};n∈ Z\right\\}
B
\left\\{x=n\pi;\ n∈Z\right\\}
C
\left\\{x=\frac{n\pi}{2};\ n∈Z\right\\}
D
\left\\{{x=2n\pi;\ n ∈Z}\right\\}
Answer
\left\\{x=n\pi;\ n∈Z\right\\}
Explanation
Solution
The correct answer is (B) : \left\\{x=n\pi;\ n∈Z\right\\}.