# Tan

Returns the tangent of a given angle.

See also Atn, ASin, Cos, Sin, and Pi.

### Syntax

    Tan(number)

##### number

Angle in radians for which you want the tangent. If the angle is in degrees, multiply it by PI()/180 to convert it to radians.

### Examples

    <!--- This example shows Tan --->
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    Tan Example
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    <H3>Tan Example</H3>

    <P>Returns the tangent of a given angle.

    <P>Tan(1): <CFOUTPUT>#Tan(1)#</CFOUTPUT>
    <P>Tan(Pi()/4): <CFOUTPUT>#Tan(Pi()/4)#</CFOUTPUT>

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