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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 K6(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
<Line>
15
K6(g)2(HYP)5(cosh
–1
)(20/15)w
<Math>
K6(g)2(HYP)5(cosh
–1
)$20c15w
Determine the value of x
when tanh 4 x = 0.88
x
=
tanh
–1
0.88 <Line>
4
K6(g)2(HYP)6(tanh
–1
)0.88/4w
= 0.3439419141
<Math>
$K6(g)2(HYP)6(tanh
–1
)0.88c4w
2-4-6
Function Calculations