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Hyperbolic Function ( inh, co h, tanh) and Inver e Hyperbolic Function
( inh
–1
, co h
–1
, tanh
Problem
sinh3.6 = 18.28545536
cosh1.5 – sinh1.5
= 0.2231301601
e
–1.5
= 0.2231301601*
20
cosh
–1
(
)
15
= 0.7953654612
x
Solve for
given
x
tanh(4
) = 0.88.
tanh
–1
0.88
x
=
4
= 0.3439419141
* This problem checks whether cosh
(cosh1.5 – sinh1.5) and comparing it with this problem's solution shows that they are equal.
2-4-4
Function Calculations
–1
)
U e thi keyboard:
mth
abc
cat
TRIG
Func
TRIG
Func
MATH
Func
TRIG
Func
TRIG
Func
x
x
e
sinh
=
20060301
Operation
2D
3.6
1.5
1.5
20
15
0.88
0.88
x
. Solving the problem above this one
1.5
15
or
20
4
or
4
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