cotangent
US /koʊˈtæn.dʒənt/
UK /kəʊˈtæn.dʒənt/
名詞
餘切
in a right-angled triangle, the ratio of the side adjacent to a given angle to the side opposite to it; the reciprocal of the tangent
範例:
•
The cotangent of a 45-degree angle is equal to one.
45度角的餘切等於1。
•
You can calculate the cotangent by dividing the adjacent side by the opposite side.
你可以通過鄰邊除以對邊來計算餘切。