Related Clues:

• Subj. for those working the angles?
• College math class, for short
• Certain math subject, informally
• Calc prerequisite, typically
• High-school study
• Math subj. where tangents are relevant
• Course commonly before calc
• 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
• Study of sines etc (abbr)
• Course with relevant tangents
• Advanced H.S. class