SHIP:Sail:asin

Function	Returns	Introduced	Description
asin	Float	v5.0.204	Calculates the radians angle of a value that is in the range of -1 to +1

See Also:

• Sail Home
• Sail Functions
• Sail Numeric Functions
• Sail Trigonometric Functions

Prototype

Float asin(Float value);

Parameters/Return Value

Parameter	Data Type	Description
value	Float	the value, from -1 to +1, to take the arcsin of
Return	Float	asin(value)

Detailed Description

The asin() function returns the arcsin of the supplied value within the range of -1 to +1. If you want to return an angle in degrees you can use toDegrees(asin(value))

Examples

Example	Result	Notes
toDegrees(asin(1/2));	0
toDegrees(asin(sqrt(2)/2));	45
toDegrees(asin(sqrt(3)/2));	60
toDegrees(asin(2));	nan