Right-angled Trigonometry
On this page, we will learn about right-angled trigonometry. For many, this will not be a new topic, nor will it be a difficult one. However, it deserves some time, as it forms an important step towards understanding most of the other work in the geometry and trigonometry topic. The challenging part is when we look at trigonometry in 3 dimensions, as it can be difficult to visualise the triangles needed. The emphasis...