Last updated: August 26, 2026.
The Tan function returns the tangent of an angle measured in radians.
Syntax
Tan(number)| Argument | Description |
|---|---|
number | Angle in radians |
Examples
Tan(0) ' 0
Tan(45 * 4 * Atn(1) / 180) ' Tangent of 45 degreesConvert degrees to radians before calling Tan. Results near odd multiples of π/2 are extremely large and sensitive to floating-point precision.
See Microsoft’s Access function reference for related expression functions.
