# Understanding Pythagoras' Theorem - essential Mathematics

This web-page on trigonometry is currently under development. It will contain revision guides, worksheets and videos to help you understand trigonometry, SOHCAHTOA, the cosine and sine rule and thus develop your Mathematical understanding in this key area.

For the moment, we have placed a number of revision videos to highlight our work in progress in the various sections above. Alternatively, Navigate around to your specific area using the menu above

Our videos are hosted on YOUTUBE and can be accessed by clicking the images.

We have also placed links to pdf questions to practice these skills.

A visual demonstration/proof of Pythagoras' Theorem