HP 9g - Graphing Calculator User Manual page 55

[ Range ] [ (–) ] 8 [
[ ] 2 [ ] [ (–) ] 15 [
15 [ ] 5
[ ] [ Graph ] [ ALPHA ]
[ X ] [ 2nd ] [ x
3
[ ALPHA ] [ X ] [ x
[ ALPHA ] [ X ] [ – ] 8
[ ]
[ Graph ] [ (–) ] [ ALPHA ] [ X ]
[ + ] 2
[ ]
Example 39
Superimpose the graph of Y = cos (X) over the graph of Y = sin ( x )
[ Graph ] [ sin ] [
[ Graph ] [ cos ] [ ALPHA ] [ X ]
[ ]
Example 40
Use Trace function to analyze the graph Y = cos ( x )
] 8
]
] [ + ] 3
] [ – ] 6
2
]
E-55