### ASIN

Finds the arcsine of a number

Syntax:
declare function Asin ( byval number as double ) as double

Usage:
result = Asin( number )

Parameters:
number
Sine value in the range [-1..1].

Return Value:
The arcsine of number, in radians, in the range [-Pi/2..Pi/2].

Description:
Asin returns the arcsine of the argument number as a Double within the range of -Pi/2 to Pi/2. The arcsine is the inverse of the Sin function. The returned angle is measured in radians (not degrees).

Asin can be overloaded as operator to accept user-defined types.

Examples:
Dim h As Double
Dim o As Double
Input "Please enter the length of the hypotenuse of a triangle: ", h
Input "Please enter the length of the opposite side of the triangle: ", o
Print ""
Print "The angle between the sides is"; Asin ( o / h )
Sleep

The output would look like:
Please enter the length of the hypotenuse of a triangle: 5
Please enter the length of the opposite side of the triangle: 3
The angle between the sides is 0.6435011087932844

Dialect Differences:
• Not available in the -lang qb dialect unless referenced with the alias __Asin.

Differences from QB:
• New to FreeBASIC

See also:
Back to Math