K hyperbolic and inverse hyperbolic functions – Casio SERIES FX-9860G User Manual
Page 89
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k Hyperbolic and Inverse Hyperbolic Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example
Operation
sinh 3.6 = 18.28545536
K6(g)2(HYP)1(sinh)3.6w
cosh 1.5 – sinh 1.5
= 0.2231301601
=
e
–1.5
(Display: –1.5)
(Proof of cosh
x
± sinh
x
=
e
±
x
)
K6(g)2(HYP)2(cosh)1.5-
1(sinh)1.5w
I!-(Ans)w
cosh
–1
20
15
= 0.7953654612
–1
)(20/15)
w
K6(g)2(HYP)5(cosh
–1
)
$20c15w
Determine the value of
x
when tanh 4
x
= 0.88
x
=
tanh
–1
0.88
4
= 0.3439419141
–1
)0.88/4
w
$K6(g)2(HYP)6(tanh
–1
)0.88
c4w
2-4-6
Function Calculations
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