tan tan(angle: Number): Number Returns the trigonometric tangent of an angle from a given number of radians. Introduced in DataWeave version 2.4.0. Parameters Name Description angle Number of radians in an angle. Example This example shows how tan behaves with different inputs. Source %dw 2.0 import * from dw::util::Math output application/json --- { "tan0": tan(0), "tan13": tan(0.13), "tan-1": tan(-1) } Output { "tan0": 0.0, "tan13": 0.13073731800446006, "tan-1": -1.5574077246549023 }