54 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Activity 1 Graph the cosine 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 , touch B DRG, double touch
2 Rad, touch E COORD, double touch 1 Rect, touch G EDITOR, and double
touch 1 Equation.
5. Press 2ndF QUIT again to return to the Y prompts.
6. Enter the cosine function ( y = cos x ) for Y1, by pressing cos X/θ/T/n .
7. Enter the viewing window range by pressing ZOOM , touching E TRIG, and
double touching 2 cos x.
8. Sketch your graph in the box.
GRAPHS OF TRIGONOMETRIC FUNCTIONS
1.2
NAME _____________________________________________________ CLASS __________ DATE __________
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