Webster’s Revised Unabridged Dictionary · 1913
Cotangent
Co·tan′gent (k?-t?n′jent), n. [For co. tangens, an abbrev. of L. complementi tangens. See Tangent.] (Trig.) The tangent of the complement of an arc or angle. See Illust. of Functions.
Webster’s Revised Unabridged Dictionary · 1913
Co·tan′gent (k?-t?n′jent), n. [For co. tangens, an abbrev. of L. complementi tangens. See Tangent.] (Trig.) The tangent of the complement of an arc or angle. See Illust. of Functions.