Question

Helppppppppppppppppppppppppp

Answer 1

Pene mira q respuesta mas buena chaval

Answer 2

The first thing you should know is that this is an equation of the form:
 y (t) = Asen (wt)
 Where,
 w: angular speed
 By definition,
 w = 2 * pi * f
 Where,
 f: frequency
 Substituting values:
 3520 * pi = 2 * pi * f
 Clearing f:
 f = (3520 * pi) / (2 * pi)
 f = 1760 hz
 Answer: 
 f = 1760 hz 
 option 3