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atan()

Returns the angle whose tangent is the specified number. This is the inverse operation of tan().

Syntax

atan(x)

Learn more about syntax conventions.

Parameters

Name Type Required Description
x real ✔️ The number used to calculate the arc tangent.

Returns

The value of the arc tangent of x.

Example

atan(0.5)

Output

result
0.46364760900080609