• IncludedAngle[vector1, vector2] returns the positive angle between the global direction vectors of the two Mech vector objects.
• The range of IncludedAngle is [0, ].
• See also: Angle, Direction, Rotation.
Load the Modeler3D package and define a simple model.
Here is the included angle between the vector from the crank center to crank pin and the vector down the length of the link.