Appendix A: Functions and Instructions 165
cot
L1
() MATH/Trig menu
cot
L1
(
expression1
) ⇒
expression
cot
L1
(
list1
) ⇒
list
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.
In Degree angle mode:
cot
L1
(1) ¸ 45
In Radian angle mode:
cot
L1
(1) ¸
p
4
coth() MATH/Hyperbolic menu
coth(
expression1
) ⇒
expression
cot(
list1
) ⇒
list
Returns the hyperbolic cotangent of
expression1
or returns a list of the hyperbolic cotangents of all
elements of
list1
.
coth(1.2) ¸ 1.199…
coth({1,3.2}) ¸
1
tanh(1)
1.003…
coth
L1
() MATH/Hyperbolic menu
coth
L1
(
expression1
) ⇒
expression
coth
L1
(
list1
) ⇒
list
Returns the inverse hyperbolic cotangent of
expression1
or returns a list containing the
inverse hyperbolic cotangents of each element of
list1
.
coth
L1
(3.5) ¸ .293…
coth
L1
({L2,2.1,6}) ¸
Lln(3)
2
.518…
ln(7/5)
2
crossP() MATH/Matrix/Vector ops menu
crossP(
list1
,
list2
) ⇒
list
Returns the cross product of
list1
and
list2
as a
list.
list1
and
list2
must have equal dimension, and the
dimension must be either 2 or 3.
crossP({a1,b1},{a2,b2}) ¸
{0 0 a1ø b2ì a2ø b1}
crossP({0.1,2.2,ë 5},{1,ë.5,0})
¸
{ë 2.5 ë 5. ë 2.25}
crossP(
vector1
,
vector2
) ⇒
vector
Returns a row or column vector (depending on
the arguments) that is the cross product of
vector1
and
vector2
.
Both
vector1
and
vector2
must be row vectors, or
both must be column vectors. Both vectors must
have equal dimension, and the dimension must
be either 2 or 3.
crossP([1,2,3],[4,5,6]) ¸
[ë 3 6 ë 3]
crossP([1,2],[3,4])
¸
[0 0 ë 2]
csc() MATH/Trig menu
csc(
expression1
) ⇒
expression
csc(
list1
) ⇒
list
Returns the cosecant of
expression1
or returns a
list containing the cosecants of all elements in
list1
.
In Degree angle mode:
csc(p/4) ¸
1
sin(
p
4
)
In Radian angle mode:
csc({1,p/2,p/3}) ¸
1
sin(1)
1
2
¦ 3
3
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