Write an equation of the form https://webwork.wpi.edu/webwork2.4.7...bdad646821.png whose graph is the sine wave shown above. The curve goes through the points https://webwork.wpi.edu/webwork2.4.7...e9e49f4bf1.png and https://webwork.wpi.edu/webwork2.4.7...f7a8f79751.png.

I forget how to do this. :(