3 2 13 12 11 10 0 8 7 6 5 4 3 2 1 1 f m 2 3 6 a The curve above is the graph of a sinusoidal function It goes through the points 7 2 and 3 2 Find a sinusoidal function that matches the given graph If needed you can enter 3 1416 as pi in your answer otherwise use at least 3 decimal digits