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La fonction cot() calcule la valeur de la cotangente d'un radian.
Arguments：
Retourne：
Exemple : Calculer la valeur de la cotangente en degré de 45°
return cot(45 * pi() / 180)
1
Exemple : Calculer la valeur de la cotangente de chaque ligne (radian) d'un alias
uncollect [1, 2.5, 3] as a
return cot(a)
0.642092615934331
-1.33864812830415
-7.01525255143453
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