What is the domain of (cos(x))^2-1 ?

The domain of (cos(x))^2-1 is -infinity <x<infinity

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domain of (cos(x))^2-1

domain

(cos (x))^{2} - 1

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

2 x^{2} - x

ln (- x^{2} + 5 x + 50)

f (x) = \frac{4 - 3}{3 x - 2}

f (x) = 6 - ∣ x ∣

f (x) = \frac{6}{5 - x}

What is the domain of (cos(x))^2-1 ?
The domain of (cos(x))^2-1 is -infinity <x<infinity