カテゴリ:

数値関数 (三角関数)

COT

引数の余接を計算します。引数はラジアンで表現する必要があります。

構文

COT( <input_expr> )
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Arguments

input_expr

The value or expression to operate on. The data type must be FLOAT or DECFLOAT.

Returns

If the input expression is of type DECFLOAT, the returned type is DECFLOAT. Otherwise, the returned type is FLOAT.

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

--------+--------------+------------------+
 COT(0) | COT(PI()/3)  | COT(RADIANS(90)) |
--------+--------------+------------------+
 inf    | 0.5773502692 | 6.123233996e-17  |
--------+--------------+------------------+
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