Related Clues:

• Calc prereq
• HS class
• Follow-up to calc.
• High-school class
• ''What's your sine?'' subj.
• ''What's your sine?'' subject, informally
• Course with sines and tans
• Precalc course
• High school math class
• Course with a lot of angles?
• HS math
• Calc prerequisite
• Certain math
• Shapes subj.
• Navigator's study