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atan Method

Returns the arctangent of a number.

function atan(number : Number ) Number

Arguments

  • number
    Required. A numeric expression.

Remarks

The return value is between -pi/2 and pi/2, representing the arctangent of the number argument.

Requirements

Version 1

Applies To:

Math Object

See Also

Reference

acos Method

asin Method

atan2 Method

cos Method

sin Method

tan Method

PI Property