[ Range ] [ (–) ] 8 [

] 8

 

[

] 2 [

] [ (–) ] 15 [

]

15 [

]

5

 

 

[ ] [ Graph ] [ ALPHA ] [ X ] [ 2nd ] [ x 3 ] [ + ] 3

[ ALPHA ] [ X ] [ x 2 ] [ – ] 6

[ 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 )

E-55

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HP 9g Graphing manual Range Graph Alpha X 2nd x 3 + Alpha X x 2 Graph Alpha X +