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How do u graph these without using a graphing calculator?

  • Thread starter gillgill
  • Start date
How do u graph these without using a graphing calculator?
a) f(x)=3sin2x
b) f(x)=1+cosx
 
Look at what the numbers do to the function.
For a), the amplitude is 3 and the period is pi.
b) Vertical displacement of 1
 

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