What is the domain of f(x)= 1/(arccos(x)) ?

The domain of f(x)= 1/(arccos(x)) is -1<= x<1

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domain of f(x)= 1/(arccos(x))

domain

f (x) = \frac{1}{arccos ( x )}

- 1 \leq x < 1

Interval Notation

[- 1, 1)

Solution steps

Find known functions domain restrictions:

- 1 \leq x \leq 1

Find undefined (singularity) points:

x = 1

Combine real regions and undefined points for final function domain

- 1 \leq x < 1

f (x) = \frac{x - 5}{x + 4}

f (x) = 1 - 2 x

x^{3} + 3 x^{2} + 2 x - 1

(- \frac{1}{2}, \frac{3}{2}), (- \frac{15}{2}, - \frac{7}{2})

What is the domain of f(x)= 1/(arccos(x)) ?
The domain of f(x)= 1/(arccos(x)) is -1<= x<1