TAN (tangent)

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TAN (tangent)

Syntax:

TAN(Number)

Description:

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