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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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