arc tan
Words nearby arc tan
arc sec,
arc secant,
arc second,
arc sine,
arc spectrum,
arc tan,
arc tangent,
arc welding,
arc, d',
arc-back,
arc-boutant
British Dictionary definitions for arctan
arctan
/ (ˈɑːkˌtæn) maths /
abbreviation for
arctangent: the function the value of which for a given argument is the angle in radians (between –π/2 and π/2) the tangent of which is that argument: the inverse of the tangent function