# Tan

Tan(*number*)

## Description

Tan calculates the tangent of a number expressing an angle in radians. The required parameter, *number*, is any numeric expression. The value returned is a double-precision floating-point number.

To convert degrees to radians, multiply degrees by π/180. To convert radians to degrees, multiply radians by 180/π.

## Example (Basic)

Rem Tan Example 'Tan calculates the tangent of a number Print "The tangent of 0 is " & Tan(0)

## Example (JavaScript)

// Tan Example /* Tan calculates the tangent of a number */ NSB.Print("The tangent of 0 is " + Math.tan(0));

## Output

The tangent of 0 is 0