Question

What is the domain of sec^-1 x(sec inverse x)?

Answer 1

domain of sec inverse x is\[{x \in \mathbb{R}:x \le-1 or x \ge1}\]
so
the domain of Sec–1 x consists of all the numbers from 1 on up plus all the numbers from –1 on down

Answer 2

Thanks for your help....So, putting these values will give me the range of the function...right?

Answer 3

it can be expressed by number line