Reference/asin

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asin (arc sine function)

The asin function computes the arc sine of its argument; that is the value whose sine is the given argument. The result is in radians and lies between -PI/2 and PI/2 (the range is approximate due to rounding errors).

Null is returned if the argument is not between -1 and 1.

Syntax

q)a:asin 0.5

Example

q)asin 0.8
0.9272952

See also


For a complete list of functions, see the kdb+ Function Reference.

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