SIN function
SIN returns the sine of the given angle.
Syntax
SIN (number)
This function returns the sine of the given angle.
Example
=SIN(PI()) returns 0, approximately (pi radians).
=SIN(PI()/2) returns 1 (pi/2 radians).
=SIN(RADIANS(30)) returns 0.5 (pi/2 radians). The sine of 30 degrees is 0.5.