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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]

[/URL]## 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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