Related Clues:
- Trig function
- Inverse math function
- Inverse trig function
- Function whose domain is between -1 and 1
- Trig angle
- Calculator function
- Trig inverse
- 30°, for 0.5
- Function of arsenic that's criminal
- Inverse trigonometric function
- Inverse function in trigonometry
- 90 degrees for 1, in trig class
- An inverse trig function