TAN Function

Returns the tangent.

Category:	Trigonometric
Returned data type:	DOUBLE

Syntax

TAN(expression)

specifies any valid SQL expression that evaluates to a numeric value.

Restriction	expression cannot be an odd multiple of π /2
Requirement	The expression must evaluate to a value in radians.
Data type	DOUBLE
See	<sql-expression>
See	FedSQL Expressions

The following statements illustrate the TAN function:

Statements	Results
select tan(0.5);	0.546302
select tan(3.14159/3);	1.732047