👉 Learn how to determine co-terminal angles given one angle. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common ...

Full lesson powerpoint presentation working through how to find missing angles in a right-angled triangle. It would work well as an introduction to using trig to find missing angles. Examples are ...

👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions ...

This lesson builds on the introductory lesson by looking at how to use SOHCAHTOA to find sides, angles and in 2D problems such as isosceles triangles. The lesson looks in detail at how to set up and ...

An animated guide to using trigonometry. Trigonometric terms are explained and examples are used to show how to find unknown angles and sides for right-angled triangles. Use as a recap on trigonometry ...

An animated guide to using trigonometry. Trigonometric terms are explained and examples are used to show how to find unknown angles and sides for right-angled triangles. Use as an introduction or ...