TAN Function

Description

The TAN function returns a tangent value of the argument. The argument x must be a radian value. The return value is a DOUBLE type.  

Syntax

TAN ( x )

Example

SELECT TAN(pi()/6), TAN(pi()/3), TAN(pi()/4);

     tan( pi()/6)              tan( pi()/3)              tan( pi()/4)

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     5.773502691896257e-01     1.732050807568877e+00     9.999999999999999e-01