Related Clues:

• Trig function
• Line through a curve
• ___ function
• Trigonometric function
• Trig topic
• Trig measure
• Secant's reciprocal
• Wave producer
• Latin preposition
• Right-triangle reciprocal
• Sine's reciprocal, briefly
• Ratio involving a hypotenuse
• Trigonometric term
• ___ wave
• Periodic function