Casio fx-9750G Graphing Manual do Utilizador descarregar pdf (Página 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.

• You can draw graphs of the following built-in scientific functions.

• sin

• cos

• tan

• sin

–1

• cos

–1

• tan

–1

• sinh

• cosh

• tanh

• sinh

–1

• cosh

–1

• tanh

–1

•

• log

• ln

• 10

• e

•

–1

•

• View Window settings are made automatically for built-in graphs.

uTo 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

min = 0 T,

max = 4π

pitch = π÷36

8 - 5 Drawing Graphs Manually

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 37 38

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