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Homework Statement
https://usmg5.mail.yahoo.com/neo/launch?.rand=768lpb97vo87e#4636076903 The picture displayed shows three graphs and in each problem the objective is to find the phase constant. I'm having an issue attempting any form of strategy to solve these problems. Any help would be greatly appreciated thanks.
Homework Equations
For the first graph D(x=0,t=0)=asin(kxwt+phase constant)
1=2sin(00+phase constant)
phase constant = 30 degrees
For the second graph
1=2sin(00+phase constant)
phase constant = 30 degrees
For the third graph
1=2sin((2pi*4)/4  (2pi)(T/2)/4+phase constant)
Don't have an idea how to solve for the third graph[/B]
The Attempt at a Solution
1. For the first graph I answered 30 degrees
2. For the second graph I answered 30 degrees
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