What is the domain of y = cos ^-1x?
[-1,1]
[0, pi]
[-pi/2, pi/2]
(-oo, oo)
Pls help, it’s timed :)
![What is the domain of y = cos ^-1x? [-1,1] [0, pi] [-pi/2, pi/2] (-oo, oo) Pls help, it’s timed :) class=](https://us-static.z-dn.net/files/d26/b202d7b4ab2766f08d75abb6e79b2150.png)