Related Clues:

• ___ mora (without delay, in Latin)
• Right triangle ratio
• Trig curve
• __ wave
• Speaker's digression
• Relationship involving one of two sides
• Reciprocal of cosecant
• Right triangle figure
• Mathematical ratio
• __ qua non
• --- "qua non"
• Trigonometry wave
• Cosecant reciprocal
• Angle function
• Trigonometry curve