Related Clues:
- ''What's your sine?'' subject, informally
- Course with sines and tans
- Precalc course
- High school math class
- Course with a lot of angles?
- Calc prerequisite
- Certain math
- Navigator's study
- Certain math class
- "What's your sine?" subj.
- High-school math subj.
- Math subj. with many functions
- One of the Palins
- High-school math course
- Euclid's subject