PostgreSQL ASIN() function

ASIN() function

The PostgreSQL asin() is used to return the inverse sine of a given argument.

Uses of ASIN() Function

• Trigonometric Calculations: Calculate the arc sine value of a number.


• Geometry: Determine angles in geometric computations.


• Engineering Applications: Perform calculations involving angles and trigonometric functions.


• Scientific Research: Analyze data involving trigonometric relationships and functions.

Syntax:

asin(a)

PostgreSQL Version: 9.3

Pictorial presentation of PostgreSQL ASIN() function

Example 1: PostgreSQL ASIN() function

Code:

SELECT ASIN(0) AS "Asin (0)";

Sample Output:

 Asin (0)
----------
        0
(1 row)

Example 2: PostgreSQL ASIN() function

Code:

SELECT ASIN(1) AS "Asin (1)";

Sample Output:

    Asin (1)
-----------------
 1.5707963267949
(1 row)

Example 3: PostgreSQL ASIN() function

Code:

SELECT ASIN(-1) AS "Asin (-1)";

Sample Output:

    Asin (-1)
------------------
 -1.5707963267949
(1 row)

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