Texas Instruments TI-89 Manual Book page 528

tanê ()
TI-89: ¥ S key
tanê (expression1)
tanê (list1)
tanê (expression1)
tangent is
tanê (list1)
tangents of each element of
Note: The result is returned as either a
degree or radian angle, according to the
current angle mode setting.
tanê(squareMatrix1)
Returns the matrix inverse tangent of
squareMatrix1
calculating the inverse tangent of each
element. For information about the
calculation method, refer to
squareMatrix1
result always contains floating-point
numbers.
tanh()
MATH/Hyperbolic menu
tanh(expression1)
tanh(list1)
tanh(expression1)
tangent of the argument as an expression.
tanh(list)
tangents of each element of
tanh(squareMatrix1)
Returns the matrix hyperbolic tangent of
squareMatrix1
calculating the hyperbolic tangent of each
element. For information about the
calculation method, refer to
squareMatrix1
result always contains floating-point
numbers.
tanhê ()
MATH/Hyperbolic menu
tanhê (expression1)
tanhê (list1)
tanhê (expression1)
hyperbolic tangent of the argument as an
expression.
tanhê (list1)
hyperbolic tangents of each element of
TI-92 Plus: 2 S key
expression
list
returns the angle whose
as an expression.
expression1
returns a list of the inverse
.
list1
squareMatrix
. This is not the same as
cos() .
must be diagonalizable. The
expression
list
returns the hyperbolic
returns a list of the hyperbolic
.
list1
squareMatrix
. This is not the same as
.
cos()
must be diagonalizable. The
expression
list
returns the inverse
returns a list of the inverse
In Degree angle mode:
tanê (1) ¸
In Radian angle mode:
tanê ({0,.2,.5}) ¸
In Radian angle mode:
tanê([1,5,3;4,2,1;6,ë 2,1])
¸
ë.083... 1.266...
.748...
1.686... ë 1.182... .455...
tanh(1.2) ¸
tanh({0,1}) ¸
In Radian angle mode:
tanh([1,5,3;4,2,1;6,ë 2,1])
¸
ë.097... .933...
.488...
1.282... ë 1.034... .428...
In rectangular complex format mode:
tanhê (0) ¸
tanhê ({1,2.1,3}) ¸
ˆ
.518... ì 1.570...ø i
{
.
list1
Appendix A: Functions and Instructions
45
{0 .197... .463...}
.622...
.630... ë.070...
.833...
{0 tanh(1)}
.425...
.538... ë.129...
0
p
ln(2)
ì 2 ø i}
2
511