Casio ALGEBRA FX 2.0 Manual Calculations - Manual (Page 21)

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