双曲余割 shuāng qū yú gē

DEFINITIONS

  1. hyperbolic cosecant, i.e. function cosech(x)

CHARACTERS

双 shuāng
HSK 3
set of two, pair, couple; both
曲 qū
HSK 6
crooked, bent; wrong, false
余 yú
HSK 5
I, my, me; surname; surplus
割 gē
HSK 6
cut, divide, partition; cede