2) Le cosinus d'un angle est le rapport de la longueur du côté adjacent par la longueur de l'hypoténuse : Cosinus = Adjacent/Hypoténuse ; Sinus = Opposé/Hypothénuse ; Tangente = Opposé/Adjacent. Les ...
The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...
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