Texas Instruments TI-89 Titanium User Manual page 253

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