Function tan() calculates the tangent value of a radian.

Arguments：

• Radian <number>

Returns：

• Tangent <number>, ∈ [-1, 1]

Common Usage

Example: Calculate the tangent value of degree 45°

return tan(45 * pi() / 180)

1

Example: Calculate the tangent value of each row (radian) of an alias

uncollect [1, 2.5, 3] as a
return tan(a)

1.5574077246549
-0.74702229723866
-0.142546543074278