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$A_{1}(a,b) = 2\cos(2b-a+1)$

$A_{2}(a,b) = 2\cos(-2b-a+1)$

$A_{3}(a,b) = 2\cos(2b+a+1)$

I want to know which waves are moving $+a$ or $-a$

Thanks

  • 1
    Can you explain what you meant by "How can I plot.."? Are you looking for specific plotting software? (There are plenty) Or suggestions on how to plot two variable functions in general?2017-02-25
  • 0
    Is b the variable of time? If not, what do you mean by 'moving'?2017-02-25

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