HP 9g Graphing Calculator - Manual (Page 130)

F-43
cosh1.5+2 = 4.352409615
[ 2nd ] [ HYP ] [ cos ] 1.5
[ ] [ + ] 2 [
]
13 sinh –1 7 = 2.644120761
[ 2nd ] [ HYP ] [ 2nd ] [ sin –1 ]
7 [ ]
Exemple 30
Si x = 5 et y = 30, combien valent r et ? Ans : r = 30.41381265,
= 80.53767779 o
[ 2nd ] [ R P ]
[ ] 5 [ ALPHA ] [ ] 30
[ ]
[ 2nd ] [ R P ] [ ]
[ ] 5 [ ALPHA ] [ ] 30
[ ]
14 Si r = 25 and = 56 o combien valent x et y? Réponse : x =
13.97982259, y = 20.72593931