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What are the domain and range of y=cot x? Select one choice for domain

and one for range.

A. Domain: All real numbers
B. Domain: 2 n
C. Range: All real numbers
D. Range: -1 ≤ y ≤ 1

User Enloz
by
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1 Answer

12 votes

The domain is
\boxed{x \\eq n\pi}, where n is an integer.

  • This is because cot x = 1/tan(x), and if tan x = 0, then the fraction is undefined.

The range is all real numbers.

User Chrwahl
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