Definition of Tangent (function)

Math Menu

Puzzles

Calculators

Other Bits

Math Definitions -> T -> Tangent (function)

Tangent (function)
In a right angled triangle, it is the length of the opposite side divided by the length of the adjacent side. The abbreviation is tan Example: in a triangle with sides of 3, 4 and 5, the tangent of the angle where the sides of length 4 and 5 meet is 3/4