Casio FX-9750G Manuale - Pagina 5

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u u u u u To draw a tangent in the RUN or PRGM Mode

The following is the command syntax for drawing a tangent in these modes.

Tangent <graph function>, <

• Use the variable data (VARS) menu to specify the function to be graphed.

P.33

Example

1. Enter the RUN Mode, display the sketch menu, and then perform the following

input.

!4(Sketch)2(Tang)

J4(GRPH)

1(Y)b,c

2. Press w to draw the tangent line.

k k k k k Line Normal to a Curve

With this function you can draw a line that is normal to the curve at a specific point.

• A line that is normal to the curve at a given point is one that is perpendicular to

the tangent line at that point.

u u u u u To draw a line normal to a curve in the GRAPH or TABLE Mode

Example

1. After graphing the function, display the sketch menu and press 3 (Norm).

!4(Sketch)3(Norm)

Graphing with the Sketch Function

-coordinate>

To draw a line that is tangent to point (

(

– 2)

To draw a line that is normal to the curve at point (

(

+ 2)(

– 2)

10 - 2

= 2,

= 0) of

2 3 4 5 6

= 2,

(

+ 2)

= 0) of

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