Reference: OPDEGREES
x° = OPDEGREES(x) returns x⋅(π/180), i.e. the angle expressed in radians (when x is expressed in degrees). Example: sin(90°) = 1
x° = OPDEGREES(x) returns x⋅(π/180), i.e. the angle expressed in radians (when x is expressed in degrees). Example: sin(90°) = 1