Texas Instruments TI-89 Manual Book page 518

simult(coeffMatrix, constMatrix[, tol])
Solves multiple systems of linear equations,
where each system has the same equation
coefficients but different constants.
Each column in
constants for a system of equations. Each
column in the resulting matrix contains the
solution for the corresponding system.
sin()
TI-89: 2 W key
sin(expression1)
sin(list1)
list
sin(expression1)
argument as an expression.
sin(list1)
elements in
Note: The argument is interpreted as either a
degree or radian angle, according to the
current angle mode. You can use ó or ô to
override the angle mode setting temporarily.
sin(squareMatrix1)
Returns the matrix sine of
is not the same as calculating the sine of each
element. For information about the
calculation method, refer to
squareMatrix1
result always contains floating-point
numbers.
sinê ()
TI-89: ¥ Q key
sinê (expression1)
sinê (list1)
sinê (expression1)
sine is
expression1
sinê (list1)
each element of
Note: The result is returned as either a
degree or radian angle, according to the
current angle mode setting.
must contain the
constMatrix
TI-92 Plus: W key
expression
returns the sine of the
returns a list of the sines of all
.
list1
squareMatrix
squareMatrix1
cos()
must be diagonalizable. The
TI-92 Plus: 2 Q key
expression
list
returns the angle whose
as an expression.
returns a list of the inverse sines of
.
list1
Solve: x + 2y = 1
matrix
3x + 4y = ë 1
simult([1,2;3,4],[1,2;ë 1,ë 3])
¸
For the first system, x=ë 3 and y=2. For
the second system, x=ë 7 and y=9/2.
In Degree angle mode:
sin((p/4)ô ) ¸
sin(45) ¸
sin({0,60,90}) ¸
In Radian angle mode:
sin(p/4) ¸
sin(45¡) ¸
In Radian angle mode:
sin([1,5,3;4,2,1;6,ë 2,1]) ¸
. This
.
In Degree angle mode:
sinê (1) ¸
In Radian angle mode:
sinê ({0,.2,.5}) ¸
Appendix A: Functions and Instructions
x + 2y = 2
3x + 4y = ë 3
ë 3
[
2
‡3
{
0
2
.942... ë.045... ë.031...
ë.045... .949... ë.020...
ë.048... ë.005... .961...
{0 .201... .523...}
ë 7
]
9/2
‡2
2
‡2
2
}
1
‡2
2
‡2
2
90
501