Sin-1 - Wikipedia
https://en.wikipedia.org/wiki/SIN-1Sin-1, SIN-1, sin-1, or sin may refer to: • SIN-1, Linsidomine (3-morpholinosydnonimine), a drug acting as a vasodilator• sin x−1 = sin(x)−1 = −(1−sin(x)) = −cvs(x) or negative coversine of x, the additive inverse (or negation) of an old trigonometric function
What does sin^-1 mean? - Quora
https://www.quora.com/What-does-sin-1-meanAnswer (1 of 2): There are several notations used for the inverse trigonometric functions. The most common convention is to name inverse trigonometric functions using an arc- prefix like this : arcsin(x), arccos(x), arctan(x), etc. For example if sin (45º) = 0.707 106… then arcsin (0.707 106...