Related Clues:
- Tangent's cousin
- ''__ nomine'' (nameless: Lat.)
- Wave of interest in math?
- It has a period of 2(pi)
- Indefinitely, with no appointed date - . . . . die
- Latin tag for indefinitely - . . . . die
- Without this it could be mathematical
- Trig class ratio
- Calculation done on radians
- Serving of venison sent back in the function
- Function of angle to disappear indefinitely
- Indispensable condition
- Trigonometrical ratio
- Word with curve or wave
- Right-triangle ratio