SECANT
| Date | Clue |
|---|---|
| 2013-02-17 | Cosine reciprocal |
| 2012-06-25 | Trigonometric ratio |
| 2011-09-24 | Curve-cutting line |
| 2011-01-23 | Trig ratio |
| 2010-12-21 | Cosine's reciprocal |
| 2010-01-07 | Trig function |
| 2007-02-28 | Right triangle ratio |
| 2006-09-07 | Trigonometric ratio |
| 2005-01-02 | Trig function |
| 2004-02-16 | Trigonometric ratio |
| 2002-04-20 | Line intersecting a curve |
| 1999-07-13 | Trigonometry ratio |
| 1999-07-06 | Trigonometry ratio |
| 1996-12-27 | Intersecting line |
| 1994-05-02 | Trigonometric function |
| 1994-04-17 | Cosine's reciprocal |