Thread: Sine Graph Equation

I need help! Thanks in advanced!

The curve above is the graph of a sinusoidal function. It goes through the point (0,1) and (4,1). Find a sinusoidal function that matches the given graph.

Originally Posted by shazi

I need help! Thanks in advanced!

The curve above is the graph of a sinusoidal function. It goes through the point (0,1) and (4,1). Find a sinusoidal function that matches the given graph.

You are looking for three numbers to do that.

Hint: is one of them.

I am pretty sure c is 1, but how do I find a or b?

Originally Posted by shazi

I am pretty sure c is 1, but how do I find a or b?

Read my reply again.

I did, but I still don't know how

Originally Posted by shazi

I did, but I still don't know how

Take a graphing calculator and try some possibilities.

You say and I told you that is one other answer.