Syntax:
TAN(Number)
Description:
This returns the tangent of an angle.
The angle must be specified in radians.
Tip:
You can use the RADIANS function to convert an angle given in degrees into radians.
Example:
TAN(PI()/4) returns 1
TAN(RADIANS(45)) returns 1
See also:
ATAN, ATAN2, COT, SIN, COS