Texas Instruments TI-89 Titanium

Symbolic Manipulation 250
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 8Ã or 8Â.You can
also use 2I8 or 2G2 to select
them from a menu.
Use the “with”
operator to specify
the interval.