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
-------