Question: System A emits simultaneously two sound signals which are defined as: S = 0.5 cos (t) S = sin(t) cos (30) System B reads

System A emits simultaneously two sound signals which are defined as: S = 0.5 cos (t) S = sin(t) cos (30) System B reads the signals as one combined sound. Using compound angle identities, find a function of a single wave read by System B which is made of the two sinewaves emitted by System A.

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