ATAN

Syntax

ATAN(X)

Description

Returns the arc tangent of X, that is, the value whose tangent is X.

Examples

SELECT ATAN(2); +--------------------+ | ATAN(2) | +--------------------+ | 1.1071487177940904 | +--------------------+  SELECT ATAN(-2); +---------------------+ | ATAN(-2) | +---------------------+ | -1.1071487177940904 | +---------------------+

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