Line Normal To A Curve - Casio fx9750G User Manual

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.
w
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>
x
To draw a line that is tangent to point (
( – 2)
x
To draw a line that is normal to the curve at point (
= ( + 2)( – 2)
y x x x
10 - 2
= 2, = 0) of =
x y y
1 2 3 4 5 6
= 2,
x
( + 2)
x x
= 0) of
y
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