TAN
Description
TAN returns the tangent of the specified angle.
Syntax
TAN ( number )
| Parameter | Description | 
| number | The angle in radians. To convert a number expressed as degrees to radians, multiply the degrees by PI( )/180. | 
Example
This function returns 0.752:
TAN(0.645)
This function returns 1:
TAN(45*PI()/180)
Also, see