Secret Uses of the Cosine They Don't Want You to Know About 😉

The Cosine Is Coming From Inside Your Phone A field guide for parents ambushed by the question - why should I learn trigonometry? The question arrives on schedule, somewhere between dinner and despair. The homework is open. A triangle sits on the page, radiating menace. Beside it, the words SOH CAH TOA, which sound less like mathematics and more like a small island you would visit to forget…