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Chapter 3: Symbolic Manipulation 71
03SYMBOL.DOC TI-89/TI-92 Plus: Symbolic Manipulation (English) Susan Gullord Revised: 02/23/01 10:52 AM Printed: 02/23/01 2:12 PM Page 71 of 24
Menu Item Description
Trig
Displays the submenu:
tExpand
Expands trig expressions with angle sums
and multiple angles.
tCollect
Collects the products of integer powers of
trig functions into angle sums and
multiple angles.
tCollect
is the opposite of
tExpand
.
Complex
Displays the submenu:
These are the same as
solve
,
factor
, and
zeros
; but
they also compute complex results.
Extract
Displays the submenu:
getNum
Applies
comDenom
and then returns the
resulting numerator.
getDenom
Applies
comDenom
and then returns the
resulting denominator.
left
Returns the left-hand side of an equation
or inequality.
right
Returns the right-hand side of an equation
or inequality.
Note: The
left
and
right
functions are also used to
return a specified number of
elements or characters from
the left or right side of a list
or character string.