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Sin Purpose Returns the sine (Sin) of angleInRadians expressed in radians. Format Sin(angleInRadians) Parameters angleInRadians - any numeric expression or field containing a numeric expression, in radians Data type returned number Originated in FileMaker Pro 6.0 or earlier Examples Sin(Radians(60)) returns .86602. Sin(.610865) returns .57357624.... Related topics Functions reference (category list) Functions reference (alphabetical list) About formulas About functions Defining calculation fields Using operators in formulas