Texas Instruments TI-89 Voyage 200, User Manual

Page: 263 / 1008

Symbolic Manipulation 263
Finding the Zeros of an Expression
Finding the Zeros of an Expression Finding the Zeros of an Expression
Finding the Zeros of an Expression
Use the
zeros
(
„
4
) function.
zeros( expression
,
var )
Use the expression
x
sin(x) + cos(x)
.
Find the zeros with respect to x in the interval
0  x
and
x  3
.
Note:
For
‚
or

, type
8 Ã
or
8 Â
.You can
also use
2 I
8 or
2 G
2 to select
them from a menu.
Use the “
with
”
operator to specify
the interval.