JD2a5PNakaiancelong JD2a5PNakaiancelong

23-10-2016
Mathematics

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What is the domain and range of f(x) = 1 tan^2 x?

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nobillionaireNobley nobillionaireNobley

24-10-2016

The domain of f(x) = 1 + tan^2 x is all real numbers.
The range of f(x) = 1 + tan^2 x is 1 ≤ f(x) ≤ 2

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