Casio CFX-9850GB PLUS Manuel du programme - Page 8

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Également pour Casio CFX-9850GB PLUS : Manuel du logiciel (20 pages), Manuel de l'utilisateur (18 pages), Manuel de communication (13 pages), Lisez d'abord ce manuel (13 pages), Manuel graphique (8 pages), Manuel graphique (12 pages), Manuel graphique (12 pages), Manuel sur les nombres complexes (6 pages)

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Casio CFX-9850GB PLUS Manuel du programme
Program for

Circle and Tangents

Description
With this program, slope
x'
y'
point A (
,
) and are tangent to a circle with a radius of
out the coordinates at the points of tangency, and factor zoom is used to enlarge the graph.
Example
To determine
r
= 1
x'
= 3
y'
= 2
Notes
• The point plotted for A cannot be moved. Even if it is moved on the graph, the calculation is
performed using the original value.
• An error occurs when
• Be sure to always perform a trace operation whenever you select trace and the message
TRACE is on the display.
Preparation and operation
• Store the program written on the next page.
• Execute the program as shown below.
A
B
C
D
E
F
G
418
PROGRAM SHEET
Y
r
0
m
and intercept
m
b
and
for the following values:
r
x'
=
.
H
I
J
K
L
M
N
Formula for circle:
A
Formula for tangent line passing
(x',y')
through point A (
X
b
y'
mx'
(=
–
) are obtained for lines drawn from
r
. The trace function is used to read
O
P
Q
R
S
T
U
No.
4
x
2
y
2
r
2
+
=
x'
y'
,
):
y
y'
m
x
x'
–
=
(
–
)
m
*
represents the slope of
the tangent line
V
W
X
Y
Z