Atan()

Working with Formulas > Functions Used in Formulas > Numeric Functions > Atan()

ATAN() returns the arc tangent of a number in units of radians.

Function Format

ATAN(number) 

Return Value

ATAN() returns a numeric value 

Examples

ATAN(0) = 0 

ATAN(TAN(1)) = 1 

ATAN(PI()) = 1.2626