Texas Instruments TI-86 - Page 289

Chapter 20: A to Z Function and Instruction Reference
277
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 277 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 277 of 118
cosh
MATH HYP menu
cosh
number
or
cosh (
expression
)
Returns the hyperbolic cosine of
number
or
expression
,
which can be real or complex.
cosh 1.2
b
1.81065556732
cosh
list
Returns a list in which each element is the hyperbolic
cosine of the corresponding element in
list
.
cosh {0,1.2}
b
{1 1.81065556732}
cosh
L
1
MATH HYP menu
cosh
L
1
number
or
cos
L
1
(
expression
)
Returns the inverse hyperbolic cosine of
number
or
expression
, which can be real or complex.
cosh
L
1
1
b
0
cosh
L
1
list
Returns a list in which each element is the inverse
hyperbolic cosine of the corresponding element in
list
.
cosh
L
1
{1,2.1,3}
b
{0 1.37285914424 1.7…
cross(
VECTR MATH menu
cross(
vectorA
,
vectorB
)
Returns the cross product of two real or complex
vectors, where:
cross([a,b,c],[d,e,f]) = [bf
N
ce cd
N
af ae
N
bd]
Both vectors must have the same dimension (either 2 or
3 elements). A 2-D vector is treated as a 3-D vector with
0 as the third element.
cross([1,2,3],[4,5,6])
b
[
L
3 6
L
3]
cross([1,2],[3,4])
b
[0 0
L
2]