What is the domain of f(x)=cos(2)x ?

The domain of f(x)=cos(2)x is -infinity <x<infinity

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domain of f(x)=cos(2)x

domain

f (x) = cos (2) x

- \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

f (x) = \frac{30 x ^{2}}{( 6 - 5 x ^{3} ) ^{3}}

y = 2 x^{3} - 12 x^{2} + 10 x + 10

f (x) = \frac{1}{x ^{2} - 4 x}

f (x) = x^{3} - 4

lo g_{3} (x - 1) + 2

What is the domain of f(x)=cos(2)x ?
The domain of f(x)=cos(2)x is -infinity <x<infinity