Tangente d'un angle aigu
Middle school year 3 Cycle 4



Soit ABC un triangle rectangle en A.
La tangente de l'angle ABC^, notée tan(ABC^), est définie par tan(ABC^)=longueur du côté opposé à l'angleABC^longueur du côté adjacent à l'angleABC^ donc tan(ABC^)=ACAB.
Author of the page: Euler, Académie de Versailles

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