Asin (Tag-based PE function)

Return the inverse sine (arcsin) of a number. The inverse sine of x is the angle in radians whose sine is equal to x.

Syntax

Asin(x)

Arguments

x

Must be a real number between -1.0 and 1.0, inclusive.

Returns

The inverse sine of x, in radians.

Exceptions

If x is not a number, or is less than -1.0 or greater than 1.0, returns an error value.

Example

Asin(-0.5) [Returns -0.5236]

Asin(TagVal('att1','y'))

Asin('att1')