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4cos
Catalogue >
Remarque : vous pouvez insérer cet
opérateur à partir du clavier de l'ordinateur
en entrant @>cos.
Exprime Expr en cosinus. Il s'agit d'un
opérateur de conversion utili pour
l'affichage. Cet opérateur ne peut être
utili qu'à la fin d'une ligne.
4cos réduit toutes les puissances modulo
sin(...) 1Ncos(...)^2 de sorte que les
puissances de cos(...) restantes ont des
exposants dans (0, 2). Le résultat ne
contient donc pas sin(...) si et seulement si
sin(...) dans l'expression donnée s'applique
uniquement aux puissances paires.
Remarque : L'opérateur de conversion n'est
pas autori en mode Angle Deg ou
Grade. Avant de l'utiliser, assurez-vous
d'avoir défini le mode Angle sur Radian et
de l'absence de références explicites à des
angles en degrés ou en grades dans Expr.
cos()
Touche µ
cos(Expr1)expression
cos(Liste1)liste
cos(Expr1) calcule le cosinus de l'argument
et l'affiche sous forme d'expression.
cos(Liste1) donne la liste des cosinus des
éléments de Liste1.
Remarque : l'argument est interprété
comme la mesure d'un angle en degrés, en
grades ou en radians, suivant le mode
angulaire en cours d'utilisation. Vous
pouvez utiliser ¡,
G
ou R pour préciser l'unité
employée temporairement pour le calcul.
En mode Angle en degrés :
En mode Angle en grades :
En mode Angle en radians :
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