Inverse Trig Functions
| Inverse Trigonometric Functions | ||
| Function | Domain | Range |
| y=sin-1x | -1 ≤ x ≤ 1 | -π/2 ≤ y ≤ π/2 |
| y=cos-1x | -1 ≤ x ≤ 1 | 0 ≤ y ≤ π |
| y=tan-1x | -∞ < x < ∞ | -π/2 < y < π/2 |
| y=cot-1x | -∞ < x < ∞ | 0 < y < π |
| y=csc-1x | |x| ≥ 1 | -π/2 ≤ y ≤ π/2; y ≠ 0 |
| y=sec-1x | |x| ≥ 1 | 0 ≤ y ≤ π; y ≠ π/2 |