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cotangent
noun
co·tan·gent (ˌ)kō-ˈtan-jənt 
ˈkō-ˌtan-
Word History
Etymology
New Latin cotangent-, cotangens, from co- + tangent-, tangens tangent
First Known Use
1635, in the meaning defined at sense 1
Time Traveler
The first known use of cotangent was in 1635 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文