In the image below and the GeoGebra sketch to which it links there is part of a sinusoidal curve, the graph of a function built by combining trigonometric functions.  What is this combination?

Construct a function that maps on top of the red curve.       Click on the image to get an active GeoGebra sketch.

To contribute:

• Read the linked wiki pages that have already been posted and look at their attached GeoGebra pages
• When you find a page where you have some ideas on how to improve the solution posted there complete the following steps:
  

- Use the GeoGebra tool attached to the page to workout and demonstrate your ideas
- Produce a GeoGebra webpage of your work by: File > Export > Dynamic Worksheet as Webpage (html)...
- Use your name as the Title for the webpage and use your name as the file name for Save
- Upload the html file to the Trig Match folder on this wiki

- On the wiki page where you started click Edit

- Add a link to a new page with your name as the title

- On this new page type your ideas

- Add a link to the your GeoGebra webpage (.html) file

- Save the wiki page