Related Clues:

• Trigonometric term
• High school math course
• ___ wave
• High-school math class
• Short math course?
• Pre-calc class
• Calc cousin
• HS math class
• Periodic function
• Course with many angles
• ___ mora (without delay, in Latin)
• High-school math
• Right triangle ratio
• Math with triangles, briefly
• Math class, in brief