Sharp EL-9900 EL9900 Operation Manual - Page 116

Graphs Of Trigonometric Functions

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GRAPHS OF TRIGONOMETRIC FUNCTIONS Steps for graphing the sine function 1. Turn the calculator on and press Y= . 2. Press CL to remove an old Y1 expression. 3. Press ▼ CL to clear additional expressions. 4. To set up the calculator press 2ndF SET UP B (DRG) 2 (Rad) E (COORD) 1 (Rect) G (EDITOR) and 1 (Equation). 5. Press 2ndF QUIT again to return to the Y prompts. 6. Enter the sine function ( y = sin x ) for Y1, by pressing sin X/θ/T/n . 7. Enter the viewing window range by pressing ZOOM E (TRIG) and 1 (sin x). Steps for graphing the cosecant function. 1. Press Y= CL to remove an old Y1 expression. 2. Enter the cosecant function for Y1 by pressing MATH A (CALC) 1 0 (csc) and press X/θ/T/n . 3. Continue to use the sine function's built-in viewing range. 4. Press GRAPH to view the graph. 1 Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900 Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

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1
Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation.
Permission is granted to photocopy for educational use only.
Steps for graphing the sine function
1.
Turn the calculator on and press
Y=
.
2.
Press
CL
to remove an old Y1 expression.
3.
Press
▼
CL
to clear additional expressions.
4.
To set up the calculator press
2ndF
SET UP
B
(DRG)
2
(Rad)
E
(COORD)
1
(Rect)
G
(EDITOR)
and
1
(Equation)
.
5.
Press
2ndF
QUIT
again to return to the Y prompts.
6.
Enter the sine function (
y
= sin
x
) for Y1, by pressing
sin
X/
θ
/T/
n
.
7.
Enter the viewing window range by pressing
ZOOM
E
(TRIG)
and
1
(sin
x)
.
Steps for graphing the cosecant function.
1.
Press
Y=
CL
to remove an old Y1 expression.
2.
Enter the cosecant function for Y1 by pressing
MATH
A
(CALC)
1
0
(
csc)
and press
X/
θ
/T/
n
.
3.
Continue to use the sine function's built-in viewing range.
4.
Press
GRAPH
to view the graph.
GRAPHS OF TRIGONOMETRIC FUNCTIONS