Graphs Of Trigonometric Functions - Sharp EL-9900C User Manual

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 ▼
4. To set up the calculator press 2ndF
E (COORD) 1 (Rect) G (EDITOR) and 1 (Equation).
5. Press 2ndF
6. Enter the sine function ( y = sin x ) for Y1, by pressing sin
7. Enter the viewing window range by pressing ZOOM
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
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.
Advanced Keyboard/TRIGONOMETRY USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
CL to clear additional expressions.
QUIT again to return to the Y prompts.
SET UP B (DRG) 2 (Rad)
E (TRIG) and
A (CALC)
1
X/θ/T/n .