Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A mathematical function that is the inverse of the cosine function.
- ‘The arc cosine is the angle whose cosine is the specified number.’
- ‘The following example returns the arc cosine of the value in radians.’
- ‘These functions compute the hyperbolic sine, cosine, tangent, arc sine, arc cosine, and arc tangent functions, which are mathematically defined for an argument x as given in the next figure.’
- ‘The inverse functions of the sine and the cosine are called the arc sine arcsin and the arc cosine arccos, respectively.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.