Texas Instruments TI-89 Manuel D’Utilisation
Symbolic Manipulation
257
Trig
Displays the submenu:
tExpand — Expands trig expressions with angle sums
and multiple angles.
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.
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.
they also compute complex results.
Extract
Displays the submenu:
getNum — Applies comDenom and then returns the
resulting numerator.
resulting numerator.
getDenom — Applies comDenom and then returns the
resulting denominator.
resulting denominator.
left — Returns the left-hand side of an equation or
inequality.
inequality.
Menu Item
Description