Return arc sine of a number

Contract
Return type	wob
No input parameters.

Water Contract
<method number.integer.asin/>

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

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

-1.<asin />.<radians_to_degrees />

-90.0