(Solved):   The curve above is the graph of a sinusoidal function. It goes through the points \( (-4,- ...

 

The curve above is the graph of a sinusoidal function. It goes through the points \( (-4,-2) \) and \( (2,-2) \) Find a sinusoidal function that matches the given graph. If needed, you can enter \( \pi=3.1416 \ldots \) as ' \( p \) i' in your answer, otherwise use at least 3 decimal digits.