4 Part Lessons GCSE
Introducing Trigonometry with Right-Angled Triangles
Angles in a Right-Angled Triangle
Lengths in a Right-Angled Triangle
Problems with Right-Angled Triangles
Using the Sine Rule
Finding Angles with the Cosine Rule
Finding Lengths with the Cosine Rule
Area of a Non-Right-Angled Triangle
Applying 2D Trigonometry
Trigonometric Graphs and Equations
How to introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.