Love TriangleExplore the life changing magic of trigonometry with Matt Parker, stand up mathematician and No. 1 bestselling author of Humble Pi. Why can no two people ever see the same rainbow? What happens when you pull a pop song apart into pure sine waves and play it back on a piano? Why does the wake behind a duck always form an angle of exactly 39 degrees? And what did mathematicians have to do with the great pig stampede of 2012? The answer to each of these