基本释义
n.
〈数〉余切
相关例句
cotangent
1.English astronomer and mathematician who invented a surveying chain, quadrant, and scale and introduced the trigonometric terms cosine and cotangent.
2.Furthermore, in the noncommutative Chern-Simons theory for the quantum Hall effect, the constrain equation with quasiparticle source is also identified with the moment map eqaution of the noncommutative sun(T) cotangent bundle with marked points.
