What Sin Actually Is

1 / 7

Hook

The mystery button

You've pressed it a hundred times: type a number, hit sin, get a decimal. 0.5. 0.707. 0.866. But what is that button actually doing? Is it magic? A lookup table baked into the chip? Nope. It's measuring something you can see.

sin isn't a formula someone invented. It's a measurement — of height.