66 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Investigate changes in amplitude with the SHIFT/CHANGE feature.
1. Press  2ndF    SHIFT/CHANGE  , touch B CHANGE, and double touch 5 Y=sin X.
2. Double touch the screen at Y = 3, above the box with the arrows.  Notice the 
new function Y = 3 sin X is displayed. 
3. Press  ENTER  to place the new function in the list.
4. Double touch the screen at Y = 
-
2, below the box with the arrows.  Notice 
the new function Y = 
-
2 sin X is displayed.  
5. Press  ENTER  to place the new function in the list.
6. Touch the top of the right side of the screen and the list of three functions 
will be displayed.  
7. The function Y = sin X is highlighted on the right side of the screen, and the 
graph is darkened on the left side of the screen.  
8. Press  ▼ to move from one graph to the next.  Observe and note the 
changes in sin X when you change the amplitude.
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AMPLITUDE
4.1
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