## Trigonometry (11th Edition) Clone

domain: $(-\infty,-1]\cup[1,\infty)$ range : $[0,\frac{\pi}{2})\cup(\frac{\pi}{2},\pi]$
The domain is $(-\infty,-1]\cup[1,\infty)$ while the range is $[0,\frac{\pi}{2})\cup(\frac{\pi}{2},\pi]$.