Casio FX-8700G Manuel du propriétaire télécharger pdf (Page 34)

A graphing calculator is a good tool for exploring the graphs of trigonometric

functions and their inverses. Since a graphing calculator is capable of graphing

trigonometric functions in degrees or radians, be sure that your calculator is in

the correct mode for the function you wish to graph.

1 Graph y  cos x for 360°  x  360°.

Casio: The Casio graphing calculators have several built-in functions that

can be graphed with a minimum of keystrokes and without

specifying the range values. The sine, cosine, and tangent functions

are three of the built-in functions. To use a built-in function, press

and the name of the function only, do not enter x.

To put the Casio fx-7700GE in degree mode, press

¡e

. The viewing window is automatically set to [360, 360]

by [1.6, 1.6] when the built-in cosine function is entered.

Press

gce

TI: You must set the range values and then enter the equation for the

function much as you would write it with pencil and paper. First, check

to see that you are using degrees by pressing the

key. If not,

use the arrow keys to select “Deg” (or “Degree”) and press

You can then set the viewing window manually. If you wish, you can

set the window automatically by pressing

Ω

7. Press

ﬁ

to see what settings your calculator uses for the viewing

window.

For the TI-81, press

YC|G

. For the TI-82/83, press

YC[G

2 Graph y  2 sin x. Use the viewing window [540, 540] by [3, 3]

with a scale factor of 90 for the x-axis and 1 for the y-axis.

Since the function is not one of Casio’s built-in functions, you must set the

viewing window manually.

Casio fx-7700GE:

v(?u/

TI-81:

b(|/

TI-82/83:

b([/



Trigonometric Functions and Their Inverses

● Casio fx-7700GE ● TI-81 ● TI-82/83

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 87 88

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Casio FX-8700G Manuel du propriétaire Page 34

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