SQL Reference

TAN

>>-TAN--(--expression--)---------------------------------------><
 

The schema is SYSFUN.

Returns the tangent of the argument, where the argument is an angle expressed in radians.

The argument can be any built-in numeric data type. It has to be converted to double-precision floating-point number for processing by the function.

The result of the function is double-precision floating-point number. The result can be null; if the argument is null, the result is the null value.


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