Casio fx-9750G Graphing User Manual
Page 18
142
3. Input the polar coordinate expression (
r
=).
!4
(Sketch)
1
(Cls)
w
5
(GRPH)
2
(
r
=)
csdv
4. Press
w
to draw the graph.
w
• You can draw graphs of the following built-in scientific functions.
• sin
θ
• cos
θ
• tan
θ
• sin
–1
θ
• cos
–1
θ
• tan
–1
θ
• sinh
θ
• cosh
θ
• tanh
θ
• sinh
–1
θ
• cosh
–1
θ
• tanh
–1
θ
•
θ
•
θ
2
• log
θ
• ln
θ
• 10
θ
•
e
θ
•
θ
–1
•
3
θ
• View Window settings are made automatically for built-in graphs.
uuuuu
To graph parametric functions
You can graph parametric functions that can be expressed in the following format.
(X, Y) = (
f
(T),
g
(T))
Example
To graph the following parametric functions:
x
= 7 cos T – 2 cos 3.5T
y
= 7 sin T – 2 sin 3.5T
Use the following View Window parameters.
Xmin
= –20
Ymin
= –12
Xmax
= 20
Ymax
=
12
Xscale
=
5
Yscale
=
5
T,
θ
min =
0
T,
θ
max =
4
π
T,
θ
pitch =
π÷
36
8 - 5
Drawing Graphs Manually