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Related Clues:
- Smart appearance taught shortly in school
- ''__ invidia'' (unenvied: Lat.)
- High-school math subj
- Calculus prereq
- Calc lead-in
- Cosecant's opposite
- ___ die
- Sine study, for short
- Function in 39-Down
- It involves angles, for short
- Reciprocal of 12-Down
- Math course with sines and tans
- High-school math course, briefly
- High school subj
- Geometric function