Casio fx-9860G SD - Manual (Page 88)

20050401
k Hyperbolic and Inverse Hyperbolic Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example Operation
sinh 3.6 = 18.28545536 K 6(g)2(HYP)1(sinh)3.6w
cosh 1.5 – sinh 1.5 K 6(g)2(HYP)2(cosh)1.5-
= 0.2231301601 1(sinh)1.5w
= e –1.5 (Display: –1.5) I!-(Ans)w
(Proof of cosh x ± sinh x = e
±x
)
cosh –1
20
= 0.7953654612
15
K 6(g)2(HYP)5(cosh –1 )(20/15)w
K
6(g)2(HYP)5(cosh –1 )$20 c15w
Determine the value of x
when tanh 4 x = 0.88
x =
tanh –1 0.88
4 K 6(g)2(HYP)6(tanh –1 )0.88/4w
= 0.3439419141
$K6(g)2(HYP)6(tanh
–1 )0.88 c4w
2-4-6
Function Calculations