TAN function

Returns the tangent of the given angle.

Syntax

TAN(number)

Number     is the angle in radians for which you want the tangent.

Remark

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

Example

The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

  1. Create a blank workbook or worksheet.

  2. Select the example in the Help topic.

    Note   Do not select the row or column headers.

    Selecting an example from Help

    Selecting an example from Help

  3. Press CTRL+C.

  4. In the worksheet, select cell A1, and press CTRL+V.

  5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

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Formula

Description (Result)

=TAN(0.785)

Tangent of 0.785 radians (0.99920)

=TAN(45*PI()/180)

Tangent of 45 degrees (1)

=TAN(RADIANS(45))

Tangent of 45 degrees (1)

Applies To: Excel 2007



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