On a coordinate plane, a rectangle has points (1, 2), (1, negative 2), (negative 4, negative 2), (negative 4, 2).
2 answers:
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The domain is , 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 <u>all real numbers</u>.