Trigonometry is a completely interactive lesson for GCSE learners.
In this lesson, learners can apply trigonometric ratios to find angles and lengths in right-angled triangles
They will also learn the exact:
values of sin θ and cos θ for θ = 0°, 30°, 45°, 60° and 90°; and
value of tan θ for θ = 0°, 30°, 45°, 60°