Sine Problem

  • Thread starter temaire
  • Start date
  • #1
temaire
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Homework Statement


The half-wave design may be represented as a portion of a sine function. Determine a sine function that models the half wave design, assuming that the origin is at the point (0,0). Express in the form [tex]y=asin(b(x-c))+d[/tex]
http://img231.imageshack.us/img231/3549/archpc5.jpg [Broken]​
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Homework Equations


[tex]y=asin(b(x-c))+d[/tex]


The Attempt at a Solution


My answer is [tex]y=4sin(\frac{\pi}{10}(x+5))+7[/tex]

Am I right? I was just confused when the question said to represent it as a portion of a sine function.
 
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Answers and Replies

  • #2
konthelion
238
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The function is fine, you just need to define a domain for the half-wave design.
 
  • #3
temaire
279
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Thanks. I forgot to write it down, but the question already provides the domain of x between -5 and 5.
 

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