SIN()
SIN() — Returns the sine of an angle specified in radians.
Synopsis
SIN(  {numeric-expression}  ) 
Description
The SIN() function returns the sine of a specified angle as a FLOAT value. The angle must be specified in radians as a
    numeric expression.
Example
The following example returns the sine, cosine, and tangent of angles from 0 to 90 degrees (where the angle is
    specified in radians).