| Clue | Source | Date |
|---|---|---|
| Inverse of the reciprocal of cos | Wall Street Journal | 22 Apr 2023 |
| Inverse trig function | Wall Street Journal | 10 Sep 2022 |
| Inverse trig function | New York Times | 19 Jul 2020 |
| Trig function | LA Times Daily | 31 Jan 2015 |
| Trig function | ||
| Inverse trig function | ||
| Trig. measurement | ||
| Trig. measurement | ||
| Trig. function |