SQL ASIN Function

The ASIN function returns the arc sine of the specified value.

The value returned is an angle measured in radians.

ASIN accepts values between -1 and 1. Any other value generates an error.

Example

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This example returns the arc sine of the specified values.

SELECT ASIN(1) AS '1',
       ASIN(0) AS '0',
       ASIN(-1) AS '-1'
Result:  1 record
1 0 -1
1.5707963267949 0 -1.5707963267949

Note: The first and last values are π/2 (1.57)


Syntax

Syntax of the ASIN function.

ASIN(number)

number -- a value between -1 and 1.


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