👉 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 ...

a missing side in a right-angled triangle when another side and an angle are known. a missing angle in a right-angled triangle when two sides are known. In these formulae, the Greek letter θ (theta) ...

👉 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 ...

I used this lesson for an observation, I had to introduce Trigonometry but decided to use special angles to introduce it so that they weren't an after thought. We used the "special" triangles to ...