Related Clues:

• Cosecant's opposite
• ___ die
• Function in 39-Down
• Reciprocal of 12-Down
• Geometric function
• Opposite/hypoteneuse
• Function of company secretary
• Trig function is recalled in element of solid geometry
• Inverse of sine (abbr.)
• Placard, say, indicating a function
• Without; maths function
• Report of board identifying pub function
• Wrong transcendental number function
• Put energy into inadequate triangular relationship
• Line of ascent that's fixed