Related Clues:
- ___ qua non (a prerequisite)
- Math term from the Latin for ''curve''
- Function named from the Latin for 'curve'
- ___ wave (oscilloscope output)
- ''__ forma'' (amorphous: Lat.)
- Triangle relationship
- Geometry function
- 0, for 0 degrees
- It's 1 for a 90-degree angle
- It's .5 for a 30-degree angle
- It's 1, for a 90-degree angle
- Math's hyperbolic tangent
- Wave to a math teacher?
- Mathematics ratio
- ___ qua non (essential element)