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# MySQL | COT method

schedule Aug 11, 2023
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MySQL
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MySQL's `COT(~)` method computes the cotangent of the input value in radians.

# Parameters

1. `X` | `radians`

# Return value

The cotangent of the input number.

# Examples

To return the cotangent for `π / 2`:

``` SELECT COT(PI() / 2); +-----------------------+| COT(PI() / 2) |+-----------------------+| 6.123233995736766e-17 |+-----------------------+ ```

To return the largest integer smaller than or equal to cotangent for `π / 2`:

``` SELECT FLOOR(COT(PI() / 2)); +----------------------+| FLOOR(COT(PI() / 2)) |+----------------------+| 0 |+----------------------+ ```

To return the cotangent for `-π`:

``` SELECT COT(-PI()); +----------------------+| COT(-PI()) |+----------------------+| 8.165619676597685e15 |+----------------------+ ```
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