Returns the tangent of the specified angle.

Syntax  Copy Code
TAN( Number n ) → Number

Parameters

n

Required. The angle for which to return the tangent. The angle is expressed in radians.

Remarks

If the angle is in degrees, multiply it by PI/180 or use the RADIANS function to convert it to radians.

Example

Formula  Copy Code
=TAN(PI()) =TAN(45*PI()/180)

See Also

Function Reference
ATAN Function
ATAN2 Function
RADIANS Function
DEGREES Function
SIN Function
COS Function
PI Function