Sharp EL-9600 User Manual page 6

Calculator Operations
Turn the calculator on and press Y= . The Y prompts will appear in the viewing
window. Press CL to remove an old Y1 expression. Press CL to clear
additional expressions. The calculator should be setup in radian measurement,
with rectangular coordinates, and in equation editor mode. To complete this
setup, 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.
Press 2ndF QUIT again to exit the menu and return to the Y prompts.
To enter the sine function ( y = sin x ) for Y1, press sin X/ /T/n .
Enter the viewing window range by pressing ZOOM , touching E TRIG, and
double touching 1 sin x. This establishes built-in viewing-window range for
graphing the sine function. The window ranges are - 2 2 and - 1.55
x y
1.55. The scale for the x axis is and the y-axis scale is .5.
2
The remaining five trigonometric functions can be graphed similarly.
2 Graphs of Trigonometric Functions/TRIGONOMETRY USING THE SHARP EL-9600