The Latin root tactus is part of the word tangent. What does the word tangent mean?
PLS HELP

Answer:
1. A completely different line of thought or action.
2. a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.
3. (A straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point.
Explanation: