A Line Touching a Curve; Trigonometric Function

This page is the CodyCross answer for the clue below from Student Life , Group 926, Puzzle 1 (Dining Halls).

Question is: A Line Touching a Curve; Trigonometric Function

and the answer is: TANGENT

Word Meaning:

TANGENT — (differential geometry) A straight line touching a curve at a single point without crossing it there.

Definitions from Wiktionary.

A line touching a curve; trigonometric function — CodyCross Answer | CodyCross Solutions