One of the mysteries of the English language finally explained.
A mathematical function that is the inverse of the cosine function.
- ‘The arc cosine is the angle whose cosine is the specified number.’
- ‘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 following example returns the arc cosine of the value in radians.’
- ‘The inverse functions of the sine and the cosine are called the arc sine arcsin and the arc cosine arccos, respectively.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.