ATAN

ATAN

The ATAN function returns the arctangent of a value.

Syntax 1

function atan (arg-1)

Syntax 2

$atan (arg-1)

Arguments

• arg-1 must be a numeric data item or literal.

Result

The function returns a number that is the arctangent of arg-1.

Examples

Example - Display the arctangent of 1 .

display function atan(1).