## Trigonometry (11th Edition) Clone

Domain: $(-\infty,-1]\cup[1,\infty)$ Range: $[-\frac{\pi}{2},0)\cup(0,\frac{\pi}{2}]$
According to the table on page 253 of the textbook, the domain is $(-\infty,-1]\cup[1,\infty)$ while the range is $[-\frac{\pi}{2},0)\cup(0,\frac{\pi}{2}]$.