" different from "60^(@)," what is "A'?

Two waves of the same frequency have amplitudes 1.60 and 2.20. They interfere at a point where their phase difference is 60.0^(@) . What is the resultant amplitude?

Two sound waves having a phase difference of 60^(@) have path difference of

Two sound waves having a phase difference of 60^(@) have path difference of

Two sound waves have phase difference of 60^(@) , then they will have the path difference of:

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