functions

Then pupils plot other functions:
cos(x);
cos(2x),
cos(x/2);
sin(x)+ π/2;
2cos(x);
cos(x/2);
sin(π/6 +x);
1+six(x);
1/2cos(x);
sin(x)+cos(x).

 

 

 

 

 

 

 

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