Casio ALGEBRA FX 2.0

19990401
k Hyperbolic and Inverse Hyperbolic Functions
•Be sure to specify Comp for Mode in the SET UP screen.
Example Operation
sinh 3.6 = 18.28545536 K6(g)2(HYP)b(sinh)3.6w
cosh 1.5 – sinh 1.5 K6(g)2(HYP)c(cosh)1.5-
= 0.2231301601 2(HYP)b(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 K6(g)2(HYP)f(cosh
–1
)(20/15)w
15
Determine the value of x
when tanh 4 x = 0.88
x =
tanh
–1
0.88
K6(g)2(HYP)g(tanh
–1
)0.88/4w
4
= 0.3439419141
2-4-5
Function Calculations