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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 returns the arctangent of the quotient.
tan, which calculates the tangent.
Last modified 2mo ago
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