Texas Instruments TI-84 Plus Guide Book

Chapter 8: Draw Instructions 184
Chapter 8:
Chapter 8:Chapter 8:
Chapter 8:
Draw Instructions
Draw InstructionsDraw Instructions
Draw Instructions
Getting Started: Drawing a Tangent Line
Getting Started: Drawing a Tangent LineGetting Started: Drawing a Tangent Line
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 = for the function
Y=sin(X).
Before you begin, select
Radian and Func mode from
the mode screen, if necessary.
1. Press o to display the Y= editor. Press
˜„¤ to store
sin(X) in Y1.
2. Press q
7 to select 7:ZTrig, which graphs the
equation in the
Zoom Trig window.
2
2
-------

Texas Instruments TI-84 Plus Specifications

General

Battery type	AAA
Power source	Battery
Number of batteries supported	4
Type	Graphing
Cover	No
Form factor	Pocket
Control type	Buttons
Product color	Black
USB port	Yes
USB 2.0 ports quantity	1
Digits	- digits
Display number of lines	8 lines
Display number of characters	16
RAM capacity	0.024 MB
ROM capacity	0.480 MB
Storage media type	-