Which Radians to Use in Calculating Phase Constants?

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SUMMARY

The discussion centers on determining the appropriate radians for calculating phase constants in oscillations, specifically addressing the equation sin(θ) = 1/2. The two potential solutions, π/6 and 5π/6, yield different behaviors in oscillation displacement: at π/6, the displacement is increasing, while at 5π/6, it is decreasing. The choice between these radians depends on the specific context of the oscillation problem being analyzed.

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lostie100
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I just have a simple question as to which radians to use in calculating phase constants in oscillations.
For example in sin(theta) = 1/2, do I use the (pi)/6 or 5(pi)/6?

The exact question has a diagram and is difficult to explain, but I just want a general explanation.

Thank you!
 
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It's a little hard to answer this without more information. If you're just trying to solve the equation,

[tex]\sin \theta = 1/2[/tex]

then there are more than one solution.

But you did say the problem deals with oscillations and phase constants. Can you use the information that:
1) at pi/6, the oscillation's displacement is increasing
2) whereas at 5 pi/6, the displacement is decreasing
to somehow decide on one value or the other? The answer would depend on details of the problem you are trying to solve.
 

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