The magic of trigonometry
You might have found it boring in school maths classes, but Matt Parker thinks we should all learn to love trigonometry.
The \u2018Love Triangle\u2019 author talks to Tim Harford about the maths used in GPS, architecture and special effects.
Presenter: Tim Harford\nProducer: Debbie Richford \nSeries Producer: Tom Colls\nProduction Co-ordinator: Brenda Brown\nSound Mix: Nigel Appleton\nEditor: Richard Vadon