Each trigonometric function also has an inverse that can be used to find an angle from a ratio of sides. The inverses of sin (x), cos (x), and tan (x), are arcsin (x), arccos (x) and arctan (x ...

Learn and revise trigonometric ratios of sine, cosine and tangent and calculate angles and lengths in right-angled triangles with GCSE Bitesize AQA Maths.

Revise the relationship between trigonometric formula and graphs as part of National 5 Maths.

7 GIFs illustrate trigonometry concepts, making math more engaging and fun.