Related Clues:
- High-school study
- Math subj. where tangents are relevant
- Course commonly before calc
- H.S. course with some irrational results
- Calc prerequisite whose basic ratios are indicated by the sets of circled squares
- Class where you'd use the SOHCAHTOA mnemonic
- Class with the old joke, "What's your sine?"
- Subject for those who know all the angles
- Pre-calc math course
- Kin of geom. and trig
- Study of sines etc (abbr)
- Course with relevant tangents
- Sin subject?
- Math with tangents
- Tough math course