Drawing tangent lines, Drawing a tangent line directly on a graph – Texas Instruments TI-84 User Manual
Page 195
Chapter 8: Draw Instructions
192
Drawing Tangent Lines
Drawing Tangent Lines
Drawing Tangent Lines
Drawing Tangent Lines
Drawing a Tangent Line Directly on a Graph
Drawing a Tangent Line Directly on a Graph
Drawing a Tangent Line Directly on a Graph
Drawing a Tangent Line Directly on a Graph
To draw a tangent line when a graph is displayed, follow these steps.
1.
Select
5:Tangent(
from the
DRAW
menu.
2.
Press
† and } to move the cursor to the function for which you want to draw the
tangent line. The current graph’s Y=
function is displayed in the top-left corner, if
ExprOn
is selected.
3.
Press
~ and | or enter a number to select the point on the function at which you
want to draw the tangent line.
4.
Press
Í. In
Func
mode, the X value at which the tangent line was drawn is
displayed on the bottom of the screen, along with the equation of the tangent line. In
all other modes, the
dy/dx
value is displayed.