Clue | Source | Date |
---|---|---|
Hyperbolic tangent | ||
Hyperbolic function | Universal | 08 Dec 2018 |
Math's hyperbolic tangent | Universal | 17 Jan 2018 |
Hyperbolic function | ||
Math's hyperbolic tangent | ||
Trigonometric function | USA Today | 07 Sep 2015 |
Trigonometric function | ||
Trigonometric term | ||
Trig function | ||
Hyperbolic function | ||
Trig function | ||
Trigonometric term | ||
Trigonometric function | ||
Hyperbolic function: Math. |