Nearby words
arc sec, arc secant, arc second, arc sine, arc spectrum, arc tan, arc tangent, arc welding, arc, d', arc-back, arc-boutant
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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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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