ASIN Function

Description

The ASIN function returns an arc sine value of the argument. That is, it returns a value whose sine is x in radian. The return value is a DOUBLE type. x must be a value between -1 and 1, inclusive. Otherwise, NULL is returned.

Syntax

ASIN ( x )

Example

SELECT ASIN(1), ASIN(0), ASIN(-1);

  asin(1)                   asin(0)                  asin(-1)

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  1.570796326794897e+00     0.000000000000000e+00    -1.570796326794897e+00