atan

To calculate the arctangent

The function returns the arctangent of a number.

Syntax

atan(number)

Return

number

Examples

atan(x) To calculate the arctangent of a given number x between -1 and 1.

atan(15) 

Result: 1.5042281630190728

See also

atan2, which calculates the arctangent of the quotient.

tan, which calculates the tangent.

Last updated