Excel Function : TAN

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Excel Function : TAN


Math and trigonometry


Returns the tangent of a number

Microsoft Excel Reference Page


Syntax and Description of the TAN Excel Function

The syntax for the TAN function in Microsoft Excel is: TAN(number) where the number argument is the angle in radians for which you want to calculate the tangent.

About TAN Excel Function

The TAN function returns the tangent of a number. The tangent is the ratio of the length of the side opposite to the angle to the length of the side adjacent to the angle.