(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

What is the initial phase angle of this graph that describes a simple harmonic motion?

2. Relevant equations

3. The attempt at a solution

I dont have any clue about how to find it by watching the graph, I know only an equation to find it. Any help please.

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# Simple Harmonic Motion Phase angle

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