余切 Traditional form: 餘切 Pinyin (reading): yúqiē Definitions: cotangent (of angle), written cot θ or ctg θ Characters: 余 - surplus, remainder; surname 切 - to cut, to mince, to slice, to carve; close to; eager Traditional characters: 餘 - surplus, remainder, excess 切 - to cut, to mince, to slice, to carve; close to; eager