Related Clues:
- & 2 Down Regular undulation in audible signal? Ignore
- Right-angle ratio
- Cosecant’s reciprocal
- Mathematical function
- Math function related to tangent
- Calculus class function
- Ratio in trig class
- Kind of wave in trig
- ___ wave (math curve)
- Wavy math function
- Function popular in the Home Counties
- Maker of waves
- Function of church, hiding old wickedness?
- The ratio of the side opposite a given angle to the hypotenuse of a right-angled triangle
- Latin's lacking