Search results
Results from the WOW.Com Content Network
To define a true inverse function, one must restrict the domain to an interval where the function is monotonic, and is thus bijective from this interval to its image by the function. The common choice for this interval, called the set of principal values, is given in the following table. As usual, the inverse trigonometric functions are denoted ...
For example, for the square root, the principal value is defined as the square root that has a positive real part. This defines a single valued analytic function, which is defined everywhere, except for non-positive real values of the variables (where the two square roots have a zero real part).
The notations sin −1 (x), cos −1 (x), tan −1 (x), etc., as introduced by John Herschel in 1813, [7] [8] are often used as well in English-language sources, [1] much more than the also established sin [−1] (x), cos [−1] (x), tan [−1] (x) – conventions consistent with the notation of an inverse function, that is useful (for example ...
The integral of the hyperbolic secant function defines the Gudermannian function: = . The integral of the secant function defines the Lambertian function, which is the inverse of the Gudermannian function:
A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.
The vast majority of people whose call records have been stolen by Chinese hackers have not been notified, according to industry sources, and there is no indication that most affected people will ...
Because MathJax is meant only for math display, whereas LaTeX is a document layout language, MathJax only supports the subset of LaTeX used to describe mathematical notation. [ 17 ] MathJax also supports math accessibility by exposing MathML through its API to assistive technology software, as well as the basic WAI-ARIA "role" and older alt ...
The Tennessee Titans interviewed four more candidates Saturday in their search for a new general manager. Tennessee virtually interviewed Colts assistant general manager Ed Dodds, Seattle senior ...