Draw Instructions; Getting Started: Drawing A Tangent Line - Texas Instruments TI-83 Manual Book

Chapter 8:

Draw Instructions

Getting Started: Drawing a Tangent Line

Getting Started is a fast-paced introduction. Read the chapter for details.
Suppose you want to find the equation of the tangent line at X = ‡2/2 for the
function Y = sin(X).
Before you begin, select
from the mode screen, if necessary.
1. Press o to display the
„ ¤ to store
2. Press q
the equation in the Zoom Trig window.
TI-83 Plus Draw Instructions
Radian
editor. Press ˜
Y=
in
sin(X)
to select
7 7:ZTrig
and mode
Func
.
Y
1
, which graphs
212