Tan

The tangent function

fun tan(radians)

Parameters

• radians: The angle of the function

Discussion

The argument of tan is assumed to be in radians. To use degrees or another unit, you can specify it with the value:

tan(0)
tan(pi/4)
tan(135 degrees)

0
1
-1

tan is valid for all finite numbers except where radians is an odd multiple of π/2