Question

What is the range of the function y=cot(x)?

A) all real numbers
B) all real numbers except pi/2+n pi, where n is any integer
C) all real numbers except n pi/2, where n is any integer
D) all real numbers except n pi, where n is any integer

Answer 1

A. all real numbers

Explanation:

The range of the function y=cot(x) is (A) all real numbers.