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ATAN

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

Syntax

ATAN( <x> )

Examples

SELECT ATAN(-2);

┌─────────────────────┐
│ atan((- 2))
├─────────────────────┤
-1.1071487177940906
└─────────────────────┘
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