This PowerPoint lesson introduces students to SOH CAH TOA (trigonometry in right-angled triangles). It is ideal for GCSE Maths, Foundation/Higher learners who are learning to find missing sides using sine, cosine and tangent.

The lesson is carefully structured to build confidence step by step and includes:

A starter activity to recap prior knowledge on Pythagoras’ Theorem
Clear explanations of the SOH CAH TOA ratios
Worked examples with fully explained solutions
Tips for identifying the opposite, adjacent and hypotenuse
Practice questions for independent learning
Clean, modern slide design with engaging visuals

Perfect for classroom teaching, revision sessions, or one-to-one tuition.

Topics covered:

Identifying the hypotenuse, opposite and adjacent sides
Using sine, cosine and tangent
Choosing the correct trigonometric ratio
Finding missing sides in right-angled triangles
Applying trigonometry to exam-style questions

Simply download and teach – no preparation required!