SQL SIN Function

SIN returns the sine in radians of the specified angle.

SIN, along with COS and TAN, is one of the primary trigonometric functions.



This example returns the sine of the specified angles measured in radians.

SELECT SIN(PI()/2) AS '90 degrees',
       SIN(0) AS '0 degrees',
       SIN(-PI()/2) AS '-90 degrees'
Result:  1 record
90 degrees 0 degrees -90 degrees
1 0 -1

Note: PI is a function that returns the value of π (3.14).


Syntax of the SIN function.


angle -- a number representing an angle in radians.

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Last updated on Dec 21, 2023