Christmaths carols I

Behind today’s door… a mathematical Christmas Carol

This post was part of the Chalkdust 2016 Advent Calendar.

Welcome to the 4th day of the 2016 Chalkdust Advent Calendar.

Carols! (Nearly) Everybody loves carols, but admittedly we do get tired of hearing the same lyrics over and over again each year. So on the fourth day, we bring you not two, not three but zero calling birds! Instead here is the first of a few Chistmaths carols we’ll be featuring in this year’s calendar that would definitely spice up any party.

Hark, the herald angles sing (to the tune of Hark, the herald angels sing)

Hark, the herald angles sing
Trigonometry is king!
Cosine, sine are functions mild
Tangent soon is reconciled.
Joyful calculations fly!
Solve for theta, phi, and psi
Inverse functions we proclaim
Bring us angles back again.
Hark, the herald angles sing
Trigonometry is king!

Trigonometry is indeed king.

The carol in this post was written by Elizabeth A. Williams and is distributed under a Creative Commons CC BY-NC-SA license. This means that you are free to share it around as long as you include this note. Happy carolling!

Elizabeth is a freelance mathematician accompanied by Zeke, a free-range rat.

TD is an undergraduate at UCL who actually understands the 1967 James Bond spoof Casino Royale, starring David Niven, Peter Sellers, Woody Allen, and Orson Welles as Le Chiffre.

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