PostgreSQL sin() Function

The PostgreSQL sin() function returns the sine of the specified radian.

sin() Syntax

This is the syntax of the PostgreSQL sin() function:

sin(number)

Parameters

number

Required. The number used to calculate the sine, in radians.

Return value

The PostgreSQL sin() function returns the sine of the specified radian.

If the parameter number is NULL, the sin() function will return NULL.

sin() Examples

Here are a few examples for the sin() function:

SELECT
    sin(2.5) AS "sin(2.5)",
    sin(0.2) AS "sin(0.2)",
    sin(-0.5) AS "sin(-0.5)",
    sin(-0.2) AS "sin(-0.2)",
    sin(0) AS "sin(0)",
    sin(pi()) AS "sin(pi())";

-[ RECORD 1 ]---------------------
sin(2.5)  | 0.5984721441039564
sin(0.2)  | 0.19866933079506122
sin(-0.5) | -0.479425538604203
sin(-0.2) | -0.19866933079506122
sin(0)    | 0
sin(pi()) | 1.2246467991473532e-16