Categories:: Numeric functions (Trigonometric)

COS¶

Computes the cosine of its argument; the argument should be expressed in radians.

Syntax¶

COS( <input_expr> )

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Arguments¶

input_expr: The value or expression to operate on. The value must be in radians, not degrees. The data type must be FLOAT.

Returns¶

This function returns a value of type FLOAT.

Examples¶

SELECT COS(0), COS(PI()/3), COS(RADIANS(90));

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+--------+-------------+------------------+
| COS(0) | COS(PI()/3) | COS(RADIANS(90)) |
|--------+-------------+------------------|
|      1 |         0.5 |  6.123233996e-17 |
+--------+-------------+------------------+