Return arc sine of a number

Contract
Return type	wob
No input parameters.

Water Contract
<method number.double.asin/>

See also: cos, acos, cosh, sin, sinh, tan, atan, tanh, atan2, radians_to_degrees, degrees_to_radians, double

Returns the arc sine of a _subject of type double . May be used to convert a sine value back into an angular measure in radians.

45.<degrees_to_radians />.<sin />

0.7071067811865475

integer.<from 0.7071067811865475.<asin />.<radians_to_degrees /> />