Texas Instruments TI-89 Titanium User Manual page 778

L1
cot ()
MATH/Trig menu
) ⇒
L1
expression1
cot (
) ⇒
L1
list1 list
cot (
Returns the angle whose cotangent is expression1
or returns a list containing the inverse cotangents of
each element of list1 .
Note: The result is returned as either a degree or
radian angle, according to the current angle mode.
coth()
MATH/Hyperbolic menu
) ⇒
expression1
coth(
) ⇒
list1 list
cot(
Returns the hyperbolic cotangent of expression1 or
returns a list of the hyperbolic cotangents of all
elements of list1 .
L1
coth ()
MATH/Hyperbolic menu
L1
expression1
coth (
) ⇒
L1
list1 list
coth (
Returns the inverse hyperbolic cotangent of
expression1 or returns a list containing the inverse
hyperbolic cotangents of each element of list1 .
crossP()
MATH/Matrix/Vector ops menu
) ⇒
list1 list2
crossP( ,
Returns the cross product of
and
list1 list2
dimension must be either 2 or 3.
vector1 vector2
crossP( ,
Returns a row or column vector (depending on the
arguments) that is the cross product of
.
vector2
Both
vector1
both must be column vectors. Both vectors must
have equal dimension, and the dimension must be
either 2 or 3.
csc()
MATH/Trig menu
) ⇒
expression1
csc(
) ⇒
list1 list
csc(
Returns the cosecant of expression1 or returns a list
containing the cosecants of all elements in list1 .
Appendix A: Functions and Instructions
expression
expression
) ⇒
expression
list
and
list1 list2
must have equal dimension, and the
) ⇒
vector
and must be row vectors, or
vector2
expression
In Degree angle mode:
L1
cot (1) ¸
In Radian angle mode:
L1
(1) ¸
cot
coth(1.2) ¸
coth({1,3.2}) ¸
L1
(3.5) ¸
coth
L1
({L2,2.1,6}) ¸
coth
crossP({a1,b1},{a2,b2}) ¸
as a list.
crossP({0.1,2.2,ë 5},{1,ë.5,0})
¸
crossP([1,2,3],[4,5,6]) ¸
and
vector1
crossP([1,2],[3,4]) ¸
In Degree angle mode:
csc(p/4) ¸
In Radian angle mode:
csc({1,p/2,p/3}) ¸
1.199...
1
1.003...
tanh(1)
.293...
Lln(3)
.518... ln(7/5)
2 2
{0 0 a1ø b2ì a2ø b1}
{ë 2.5 ë 5. ë 2.25}
[ë 3 6 ë 3]
[0 0 ë 2]
1
sin(
1 1 2 ¦
sin(1) 3
45
p
4
p
4 )
3
775