Hyperbolic And Inverse Hyperbolic Functions - Casio fx-9860G Series User Manual

k Hyperbolic and Inverse Hyperbolic Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example
sinh 3.6 = 18.28545536
cosh 1.5 – sinh 1.5
= 0.2231301601
e
–1.5
= (Display: –1.5)
x
(Proof of cosh
20
–1
cosh = 0.7953654612
15
Determine the value of
x
when tanh 4 = 0.88
–1
tanh 0.88
x
=
4
= 0.3439419141
Function Calculations
6( )2(HYP)1(sinh)3.6w
6( )2(HYP)2(cosh)1.5-
1(sinh)1.5w
I!-(Ans)w
x e x
± sinh = ± )
<Line>
6( )2(HYP)5(cosh
<Math>
6( )2(HYP)5(cosh
x
<Line>
6( )2(HYP)6(tanh
<Math>
$
2-4-6
Operation
–1
6( )2(HYP)6(tanh
20070201
–1 )(20/15)w
–1
)$20 15w
)0.88/4w
–1
)0.88 4w